Consumer Electronics

1. Zero point calibration and multi-point calibration2. Self-calibration accuracy measurement3. High sensitivity probe4. Wide range of applications, automotive work, industrial production, mechanical processing, equipment production, etc.5. High definition display6. Anti-slip groove design7. Measurement range: 0.05-2.00mm8. Display mode: electronic digital display9. Power supply voltage: 3V10. Power supply: 2 sections of 1.5V AAA batteries (not included)11. Size: 12.2 x 5 x 2.2cm

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1. Use of Class A fireproof materials, safe and reliable2. Using high rate power core manufacturing, explosion-proof and safe3. Built-in intelligent protection chip, protection board, to prevent overcharge, over temperature, short circuit, etc., use more peace of mind4. With LED power display5. Applicable models: compatible with Dyson V10 series, Motorhead, Absolute, Fluffy, SV12, etc.6. Voltage: 25.2V7. Battery capacity: 2500/3000/3500/4000mAh

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1. Easy to use, plug the adapter into a different power outlet to use2. Stable power supply, stable current/voltage, maintain voltage and current3. Energy-saving protection equipment, lighting protection, reduce circuit loss, overheating protection4. With indicator light first, green light on when using5. Payload: 28KW6. Rated voltage: 90V-250V7. Rated frequency: 50HZ-60HZ8. Size: about 3.8 x 2.2 inch9. Weight: about 90g

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1. Strong power, intelligent battery core, cycle charging, durable2. Built-in multiple protection to ensure stability and safety3. Large-capacity batteries, durable4. High compatibility, easy to install and use5. Applicable models: compatible with Dyson DC31/34/35/44/456. Battery type: 18650 lithium cell7. Battery capacity: 2.0/2.5/3.0Ah8. Battery voltage: 22.2V

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1. Using A-class fireproof material, safe and reliable2. Using high rate power core manufacturing, explosion-proof and safe3. Built-in intelligent protection chip, protection board, to prevent overcharge, over temperature, short circuit, etc., use more peace of mind4. With LED power display5. High compatibility, easy to install and use6. Applicable models: compatible with Dyson V8 series, Absolute, Fluffy, Animal, Extra, Mattress, Trigger, Motorhead, Car+boat, Sv10, etc.7. Voltage: 21.6V8. Battery capacity: 2200/2500/3000/3500/4000mAh

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1. Using A-class fireproof material, safe and reliable2. Using high rate power core manufacturing, explosion-proof and safe3. Built-in intelligent protection chip, protection board, to prevent overcharge, over temperature, short circuit, etc., use more peace of mind4. With LED power display5. High compatibility, easy to install and use6. Applicable models: compatible with Dyson V8 series, Absolute, Fluffy, Animal, Extra, Mattress, Trigger, Motorhead, Car+boat, Sv10, etc.7. Voltage: 21.6V8. Battery capacity: 2200/2500/3000/3500/4000mAh

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1. Strong power, intelligent battery core, cycle charging, durable2. Built-in multiple protection to ensure stability and safety3. Large-capacity batteries, durable4. High compatibility, easy to install and use5. Applicable models: compatible with Dyson DC31/34/35/917083-016. Battery type: 18650 lithium cell7. Battery capacity: 2.0/2.5/3.0Ah8. Battery voltage: 22.2V9. Size: about 11.6 x 7.45 x 3.5cm10. Weight: about 380g

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1. For Jetson Orin Nano and Jetson Orin NX kits2. Reserve air outlets on three sides and a dedicated built-in fan hole on the top to provide excellent heat dissipation.3. Precise opening design, exquisite manufacturing technology, and beautiful fit4. Onboard power indicator light5. Camera bracket design, mounting holes for monocular or binocular cameras, maximum 180-degree rolling angle6. Equipped with flat ribbon cable for use with 40PIN connector7. Silicone non-slip feet, more stable placement and reduced bottom contact area8. DIN rail mounting holes are reserved to facilitate installation in specific scenarios.9. Product size: 122 x 95 x 91mm10. Weight: 378kgpacking list:-Aluminum body shell (upper and lower + side panels) x 1-Camera stand bottom mount x 1-Camera stand top mount x 1-Antenna x 2-IPEX4 to SMA cable x 2-Button with 4PIN cable x 1-Cable 2x20PIN 55mm x 1-Screwdriver x 1-Screw pack and accessories x 1

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Features:1. RS232/485 device data collector/IoT gateway specially designed for industrial environments.2. Integrate multiple functions into one, including serial port server, Modbus gateway, MQTT gateway, serial port to HTTPD client, etc.3. The module has RS232, RS485, WIFI, and Ethernet interfaces, which can realize serial to WIFI, serial to WIFI and other functions; Ethernet, Ethernet to WIFI, etc.4. Multiple onboard power interfaces support a wide range of 6~36V power supply, and can be equipped with PoE function.5. Industrial-grade metal shell design supports wall-mounted and rail-mounted installation. It is small in size and easy to install.6. Suitable for data collection, IoT gateway, security IoT, smart instrument monitoring and other applications.Product parameters:1. Frequency band: 2.412-2.484 GHz2. Wireless network: Station / AP / AP+Station mode3. Security mechanism: WPA-PSK / WPA2-PSK4. Encryption type: TKIP/AES5. Transmission power:802.11b: +19dBm (max @11Mbps)802.11g: +18dBm (max @54Mbps)802.11n: +17dBm (maximum @HT20, MCS7); +17dBm (maximum @HT40, MCS7)6. Receiving sensitivity:802.11b: -89dBm (@11Mbps)802.11g: -81dBm (@54Mbps)802.11n: -73dBm (@HT20, MCS7); -71dBm (@HT40, MCS7)7. Baud rate: 300-460800 bps8. Check digit: none, odd, even, mark, space9. Data bits: 5-9 bits10. Flow control: RTS/CTS N/A11. Protocol: TCP/UDP/ARP/ICMP/DHCP/DNS/HTTP/MQTT12. Configuration: host, browser, serial AT command13. Communication method: TCP/IP direct communication, VCOM14. Working mode: transparent transmission, serial port command, HTTPD Client, Modbus TCP to Modbus RTU15. Working temperature: minus 40 degrees Celsius - 85 degrees Celsius16. Humidity range: 5%-95% relative humidity17. Product size: 85 x 84 x 24mm18. Weight: 157g, 169gPacking list:RJ45 network port:-RS232/485 to WIFI Ethernet (B) x1-2.4G WiFi antenna x1-Rail mounting buckle x1-Screwdriver x1-Screw pack x1RJ45 network port supporting POE:-RS232/485 to WIFI POE ETH (B) x1-2.4G WiFi antenna x1-Rail mounting buckle x1-Screwdriver x1-Screw pack x1

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1. Invisible wall hanging, hair dryer, power cord storage in one step2. Waterproof and moisture-proof, firm and not easy to fall off3. Built-in magnet structure, just gently lean, can be adsorbed4. PC material, aging and heat resistant5. Solid and non-slip, easy to use6. The fan placement area adopts non-angled cylindrical strips for better protection7. Material: PC8. Installation: nail-free adhesive (not included)9. Size: wind tube frame about 5.8 x 4cm, wind mouth frame about 6 x 0.8cm10. Description: only hangers, does not include the picture of the hair dryer and nozzle, etc.Installation steps:1. Wipe the wall clean2. Apply nail-free adhesive to the contact surfaces of the bracket3. Press on the wall and fix it tightly4. Leave to stand for 24 hours and hook up a hair dryer

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1. Invisible wall hanging, hair dryer, power cord storage in one step2. Waterproof and moisture-proof, firm and not easy to fall off3. Built-in magnet structure, just gently lean, can be adsorbed4. PC material, aging and heat resistant5. Solid and non-slip, easy to use6. The fan placement area adopts non-angled cylindrical strips for better protection7. Material: PC8. Installation: nail-free adhesive (not included)9. Size: wind tube frame about 5.8 x 4cm, wind mouth frame about 6 x 0.8cm10. Description: only hangers, does not include the picture of the hair dryer and nozzle, etc.Installation steps:1. Wipe the wall clean2. Apply nail-free adhesive to the contact surfaces of the bracket3. Press on the wall and fix it tightly4. Leave to stand for 24 hours and hook up a hair dryer

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1. Material: rubber 2. Mixed pack, multiple sizes to fit your Walkman 3. Rubber material, elastic, wear-resistant and durable, not easy to break 4. Long service life and not easy to age 5. Specifications: 50 pieces / pack

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1. Wide compatibility: The microphone handle is suitable for RODE Wireless Go, Wireless Go II, Wireless ME, DJI Mic, Lark150, CaTeFo Star200, Star500 and other wireless transmitters2. Integrated cold shoe socket design, compatible with mainstream microphones, plug and play3. High-density windproof sponge, effective noise reduction4. The microphone handle is made of ABS plastic, lightweight and portable.5. Dimensions: 238 x 42 x 24.5mm

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1. Create your own virtual winter wonderland playing a Christmas movie or a spectacular spooky home playing a Halloween2. 12 built-in movies: 6 Christmas and 6 Halloween3. Projection screen: 4-foot by 6-foot white translucent rear projection screen to play your outdoor movie projector Christmas and4. The projector with stand projects on any window horizontally or vertically, making it the perfect tool to decorate your5. Home effortlessly this holiday season6. Power: 12W7. Product size: 22.5x21x6.5cm Chassis size: 4x18 + 18cm

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1. Using heavy gold PCB, machine welding process to ensure quality2. Chip built-in 16bit AD converter, 16-bit data output3. Communication method: standard IIC/SPI communication protocol4. Power supply: 3-5v5. Use chip: MPU-92506. Pin spacing: 2.54mm7. Size: 15x25mm

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OverviewThe RPi Relay Board gives your Pi the ability to control high voltage/high current devices, easily makes normal home appliances become intelligent.RPi Relay Board Features1. Supports Raspberry Pi A+/B+/2B/3B/3B+2. High quality relays, loads up to 5A 250V AC or 5A 30V DC3. Photo coupling isolation, prevent interference from high voltage circuit4. Onboard LEDs for indicating relays status5. Relay control jumper, allows to control the relays by custom pins other than the default pins6. Comes with development resources, including examples in wiringPi, WebioPi, shell, python, and bcm2835What is on the RPi Relay Board1. Raspberry Pi GPIO interface: for connecting Raspberry Pi2. Relay screw terminal: for connecting target devices3. Relays4. Photocoupler: PC8175. Relay indicator- LED on: relay NC is opened, NO is closed- LED off: relay NC is closed, NO is opened6. Power indicator7. Relay control jumper- Short the jumper: control the relays by default I/Os used in the example code- Open the jumper: control the relays by custom I/Os through jumper wiresPackage include- RPi Relay Board x 1- RPi screws pack (2pcs) x 1

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1. The portable instrument is automatically powered off after conversion and greatly reduces current consumption during idle periods2. Features: easy to implement, high precision, low current consumption, multi-mode conversion3. Power supply voltage: 2-5.5v4. Working temperature: -40 to 125 degrees celsius5. Programmable data rate: Transmission via I2C compatible serial interface6. Single mode: Automatic shutdown with onboard reference and oscillator7. Size: about 16 x 28mm8. Weight: about 2.5g

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1. Interface: TTL level RS232 format2. Purpose: experiment3. Card reading distance: below 5CM4. Application: smart home5. Weight: about 10g6. Coil inductance: 47~68uH7. Frequency: 125KHz8. Working voltage: DC 5V9. Working current: less than 50 mA10. Working temperature: -10 to 70 degrees Celsius11. Storage temperature: -20 to 80 degrees Celsius12. Coil size: 46x32x3mm13. Module size: 38.5x19x9mm

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1. Two in one (18650 battery charger and smart mobile power) 2. Each slot has a separate charging circuit. 3. Reverse polarity protection. 4. When the input and output are simultaneously, it will automatically charge, first the device, then charge the battery. 5. Does not work, automatically shuts down after 20 seconds. Automatically turn on after charging, and automatically stop working after the output current is overcharged. 6. Press the backlight on/off for less than one second and turn the machine on/off for two seconds. 7. The maximum output current of the USB 1A output is limited to 1.5A, and the maximum output current of the USB 2A output is limited to 2.2A. 8. With dual output USB, both devices charge simultaneously. When outputting simultaneously, the total output current of the two USB ports is 2.2A. If the total output current is greater than 2.2A, the latest USB port will stop working.

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1) Material: ABS Panel and copper 2) Rating: 10A, 250V 3) AU Plug Socket 4) Size: 86 x 83mm 5) Color: Ivory White

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1) Material: ABS Panel and copper 2) Rating: 10A, 250V 3) EU / AU / US Plug Socket with 1 Switch 4) Size: 86 x 86mm 5) Color: Ivory White

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1. Brand new and high quality. 2. Input: AC 100-240V 50/60Hz 3. Output: DC 12V 1A 4. Connector outside diameter: 5.5mm 5. Connector inside diameter: 2.1mm 6. Cable Length: about 90cm

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Product parameter 1. Input voltage: 5V 2. Output voltage: 9V / 12V 3. Output current: 9V 1A 12V 0.8A 4. Interface attribute: USB hole is converted to DC round hole 5. Cable length: 0.8 meters 6. Weight: 35 grams Features 1. If the power is off, the converter can be used to power the router through the mobile power supply. In addition, it can also be applied to other 5V power devices, such as small fans, desk lamps, solar panels, USB power packs, power adapters, etc. 2. Switch and LED display: The boost regulator is designed with a switch, you can choose to output 9v or 12V through it, and the LED display will tell the output voltage value. 3. Convenient to use: plug and play, you can enjoy WIFI when the power is off; the design is small in size and very convenient to carry. The package includes: USB boost converter 1 x 3.5 x 1.35mm connector

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1. Brand new and high quality. 2. Input: AC 100-240V 50/60Hz 3. Output: DC 24V 1.5A 4. Connector outside diameter: 5.5mm 5. Connector inside diameter: 2.1mm 6. Cable Length: about 1.2m

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1. Equipped with UK socket plug, available for below plugs: UK PLUG, AU PLUG, US PLUG, EU PLUG. 2. Ready for resale in your retail shop or anywhere. 3. Every family should have some at home. 4. Max Supports 250V, 13A. 5. This adaptor can be connected to all the overseas electrical adaptor.

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1. Convert Overseas Adapter into US Standard. 2. Convert overseas adapter to 2 Pin US standard. 3. Available connect to all the overseas electrical adapter. 4. Supports 100V-250V. 5. Available for below plugs: UK PLUG, AU PLUG, US PLUG, EU PLUG.

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1) Ready for resale in your retail shop or anywhere. 2) Every family should have some at home. 3) Max Supports 250V, 10-16A. 4) This adaptor can be connected to all the overseas electrical adaptor. 5) Compact size for easy portability 6) Available for below plugs: UK Plug, AU Plug, US Plug, EU Plug

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1. Aperture: 12mm 2. Current: 13 (A) 3. Shell material: bakelite 4. Conductor material: brass 5. Rated voltage: 250 (V) 6. Size: 51x50mm 7. Wiring: Brown L-FireWire, Blue N-Neutral

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This universal adaptor is a compact one piece unit with 4 international (EU + AU + UK + US Plug) adaptors, and provides a child protection safety shutter, power indicator light surge protector. This item with fit the plugs in Europe / UK / USA / China / Japan / Australia / Spain and almost every country in the world.

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1. Product Name: Detachable side wiring plug 2. Current: 16 (A) 3. Shell material: ABS 4. Conductor material: copper 5. Rated voltage: 250 (V) 6. Size: 60x35mm

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1. These units can be used for starting and stopping, or the connection and break of devices and electrical machinery. The product could also achieve the requirements of various kinds of special control procedures. 2. Each device connected will need to be powered by its own power source (there is no voltage output from the switch, it only acts as a connecter/dis-connecter for an existing live circuit). 3. If using a 24V device it can be wired in parallel with the switch power supply. Ideal use in 1. Vehicle central locking systems 2. Garage doors 3. Electronic gates 4. TV, Motors, Fans, Cameras, Video Signals, Audio Signals, RC applications, Electric 5. Doors/ Locks/ Windows/ Curtains and more 6. Lightweight and portable 7. Easy to install and use

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1. Compact, lightweight, and durable PVC material can effectively protect your camera module. 2. Provides powerful protection against dust, scratches and damage to the camera module. 3. The back of the case is also equipped with a small rope hole for easy carrying. 4. At the same time, a microphone wiring port is reserved on the protective case. 5. Package list: - Black PVC Case x 1 - Screw x 4

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1. Measurement range: 0.5-19999, accuracy: 0.05% +1 2. Maximum, minimum, average, last measured value retention, memory function 3. LCD backlight display 4. Automatic / manual shutdown 5. Low battery prompt 6. Good quality and long service life

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Product parameters: 1. Size: 43x43x12.5mm. 2. LCD display size: 28x28mm. 3. Material: ABS, PMMA. 4. Voltage: DC 2.5V-3V. 5. Battery: CR2032. 6. Wireless connection: Bluetooth 4.2 BLE. 7. Measuring range: 0-60 degrees Celsius. 8. Resolution: 0.1 degrees Celsius. 9. Humidity range: 0% -99% RH. 10. Resolution: 1% RH. Packing list: Bluetooth Thermo Hygrometer 2 x 1 Wall sticker x 1 Manual x 1

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1. The high linear scales is designed, high , stable and accurate. 2. The signal line adopts multi-layer isolation steel and metal soft shell protection, waterproof and anti-interference fine. 3. Easy to install and maintain, waterproof, dust-proof good, long service life. 4. Widely used, high stabilization, capacity of resisting disturbance well. 5. Suitable for JCS900-2AE / JCS900-3AE data display instrument. 6. Material: metal 7. Accuracy: +-5um 8. Resolution: 5um 9. Measuring Range: 0mm-700mm

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About the product1. The electrical compensation function provide the compensation to the thermocouple error so as to improve the overall precision 2. To measure the thermocouple of J, K,T,E,N and R type. 3. Unit Celsius and fahrenheit unit 4. Human centered design, easy operation 5. Measuring Range: J-type: -210C to 1200C (-346F to 2192F) K-type: -200C to 1372C (-328F to 2501F) T-type: -250C to 400C (-418F to 752F) E-type: -150C to 1000C (-238F to 1832F) N-type: -200C to 1300C (-328F to 2372F) R-type: 0C to 1767C (32F to 3212F) 6. Resolution: 0.1C/F<1000Degree; 1.0C/=<1000Degree 7. Electrical compensation 8. C/F Switch

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1. Measuring: Air Velocity & Air Temperature & Air Volume 2. Measuring range: Air velocity, 0-30m/s; Air temperature, 0 - 45C, 32 - 113F; Air volume, 0-999900m3/min 3. Resolution: 0.001m/s, 0.1C 4. Unit of Velocity: m/s, Ft/min, Knots, Km/hr, Mph 5. C/F Selection 6. Air temperature measuring accuracy: +-2C 7. Air velocity measuring accuracy: +-3%+-0.1dgts 8. Max/Min reading 9. Average/Current reading 10. Data hold 11. Backlight display 12. Low battery indication 13. Manual/Auto power shut off 14. USB Interface and cable

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1. Display: LCD Digital 2. Lightweight pocket size kit set, easy to carry & store. 3. Simple & easy operation - Simply turn it on, remove the protective cap and immerse the electrode into the solution to be measured 4. Instant, quick display of results 5. A perfect tool for testing the acidity or alkalinity of liquids, ideal for all home and laboratory pH testing applications including aquariums, hydroponics, swimming pools, etc.

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1) Quick test of water pH and Cl2 levels 2) Chlorine calibration for more accurate testing 3) No adjustment needed for pH testing 4) Simple and easy to operate 5) Get results instantly 6) Light weight and handy 7) No chemical testing and solutions needed 8) Recommended chlorine level for pools and spa is 1.2 to 1.7ppm 9) Recommended pH level for pools and spa is 7.2 to 7.8 10) Dimension: -Main unit: 190 x 120mm -Probe with handle: 150mm long -Probe (only): 48mm long (not included black band) -Cable length: 1.2m 11) Power supply: 1x AA battery (not included) 12) Weight: 160g

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Features1. Measuring range: Moisture 5%~30%, temperature -10~60C 2. Overflow alert 3. Grain species 4. Moisture standard setup 5. Unit shift between Celsius and Fahrenheit grain moisture meter can fast measurement of moisture content in grain. Multiple allocation, suitable for grain purchase, storage, processing and so on. This machine can measure the temperature of food at the same time, can measure 8 food: Rice wheat and barley feed corn soybean rice rapeseed

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Display Type:Digital With Backlight Or Not:No Model Number:PH Meters Specification: Brand new Total length: approx 5m PH range: 0-14 Feature: With distinct color PH scale for result comparisons. The test strip color changes must be matched with the pH scale color chart within about 15 seconds. Quick and easy to use. Provides reliable and accurate pH readings. Easy to carry. Appropriate for testing alkaline or acid level of any liquid. Great product to have in every lab and at home to measure and inspect water quality, urine, saliva, soil, alkaline diet, aquariums etc. Great for science education. Usage: Take out a test paper. The 2 color blocks all immersed in the liquid. After 1 seconds to take out, in contrast to the color of the color reading value in 30 seconds. Scale Reads From 0 to 14: 0 - 3 indicates a very acidic substance 4 - 6 indicates an acidic substance 7 indicates neutral 8 - 11 indicates alkalinity 12 - 14 indicates a very high level of alkalinityPackage included: 1 x PH Test Paper Note: Can not indicate the Acid or alkali solution when its density was lower than 0.01%. Keep dry for the rest paper. Please allow 0-1cm errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.

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1) Test batteries types: **1.5V AAA, AA, HP16, MN2400, R03, HP7, MN1500, UM3, C, HP11, MN1400, SP11, LR14, UM2, D, HP2, MN1300, SP2, R20, UM1 **9V PP3, MN1604, 6F22, 006P 2) Portable and useful 3) Never need to guess the battery level again 4) Three colored indicators give accurate and easy battery power reading 5) Size: 120*7*35mm

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About the productAs one resistance meter for object surface, it can measure the resistance value on object surface by putting two parallel electrodes close to object surface to be measured, so as to judge whether the measured object is a conductor, static material or insulator; meanwhile the meter can be used to measure the resistance to ground of object, which is specially applied to different anti-static fieldsFeatures1. Surface resistance test 2. Three modes to display resistance value on object surface or material property simultaneously 3. Ambient temperature measuring 4. Temperature unit conversion 5. Data holding 6. LCD backlight

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1. Full color screen graphics display2. Infrared decoding, automatic calibration3. Power mode: rechargeable lithium battery4. One-key operation, automatic detection and shutdown, you can also press the multi-function key to turn off the detector5. It can measure triode, diode, resistance, capacitance, inductance, thyristor, field effect tube, voltage regulator tube, double diode, light emitting diode, etc.6. After the detection is completed, point the infrared remote control at the "IR" light and press the button on the remote control. If the detector decodes successfully, the data code and infrared waveform will be displayed7. Place the pin of the component in the corresponding area, and then turn the small handle, the detector will automatically test, and the result will be clearly displayed on the backlit TFT screen8. Display: 3.5 inch TFT screen9. Battery: 0.1-4.5V10. Resistance: 0.01-50Mohms11. Capacitance: 25pF-100mF12. Inductance: 0.01mH-20H13. Diode range: Less than 4.5V14. Triac range: IGT less than 6mA15. Zener diode detection area: 0.01-30V16. Size: 8.8 x 8 x 2.8cm17. Weight: 111.5g

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1. Diamond Selector III is a compact electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond testing 2. Light weight and ultra-compact (with a size of credit card) 3. LED light and audio result indication 4. Accurate and reliable reading 5. Metal alert 6. Simple calibration for stones of various sizes 7. Convenient carrying case 8. Testing platform for loose stones 9. Testing capability: Diamonds / Diamond simulation (e.g.CZ) / Metal 10. Auto off: N/A 11. Initial warm up: about 20 seconds 12. Indicator: Audio and LED lamps 13. Power supply: 2 X AA batteries (not included) 14. Size: 84 x 53 x 14mm 15. Weight: 40g

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Channels:2 (2.0) Type:Home Amplifier 1. Product Name: TPA3116D2 digital amplifier 2. Product Type: XH-M5433. Amplifier chip: TPA3116D2*14. Power supply: DC12-26V (24V recommended)5. Current: more than 3A6. Max output power: 120W *2 7. Channel: Two channel8. Signal to noise ratio: 100db9. Size: 92*69*18MM10. Power supply DC12V 50W * 211. Power supply DC24V 120W * 212. Note: Red is positive, and Black is negative! 13. TPA3116D2 digital power amplifier board, with dual channel, high power, shock volume; power supply voltage is DC12-26V, 24V is recommended, it also has an op amp function, after the sound source is input, enter the boards op amp chip TL074C to zoom in, so that The volume is even more shocking. Operation instructions:1. Connect the power input terminal to the DC12V—26V power supply (24V is recommended);2. Connect the audio input to a sound source, such as an MP3, mobile phone, computer, etc.3. Connect the audio output to the speaker, pay attention to the positive and negative, it is recommended to connect more than 120W professional stage speakers, in order to play its effect.Package included:1 x TPA3116D2 2*120W Dual-channel High Power Digital Power Amplifier Board

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1. Easily fit into the smallest of pockets and works with all your music devices, allowing you to carry it with you anywhere walking, jogging and cycling, or travelling on the bus, train and plane. Now for the first time you can conveniently enjoy Hi-end sound on your smart phone, MP3 player, tablet, laptop or PC. 2. Simply connect the headphone Amp between your headphones and your music player to enjoy great quality sound. It has more than 5 times the output power and half the output impedance of a regular phone, which means the sound wont distort no matter what headphones or volume you use. 3. Portable headphone equalizer is a link between your music player and your headphones. It is a tiny amplifier which can produce the kind of premium quality audio that you expect from hi-end audio equipment used by audiophiles and sound producers. This is the high-fidelity sound provides. 4. It can compatible with headphones, portable speakers, MP3, MP4 ,Mobile Phone, Computer, car stereos, and other audio devices that use 3.5 mm plug connectors. 5. The device is with long standby time, automatically loading detection function, there is no power button. 6. When the headset plugged in, the device will power up then the system automatically boots. 7. When the headset pulled out, the device will automatically shut off. 8. If the internal better voltage is less than 2.5V, the protection of system will automatically shut off the power supply. 9. Frequency: 2-27KHz. 10. Noise ratio: 95DB. 11. Dynamic range: 90DB. 12. Resolution: 70DB. 13. Size: 5.5x2.2x1cm.

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1. Size: 65*20*15cm 2. Weight: 2300G 3. Material: ABS 4. Voltage: 110-240V 5. Power wire length: 1.5m 6. Rotation angle: 90 degrees 7. Input power: 50W, output power: 40W 8. Simple and fashionable appearance, suitable for general residential buildings and office buildings 9. Low gravity chassis design to stabilize the fuselage and prevent dumping 10. Safe leafless fan, not afraid of baby touch 11. Easy to replace the filter, can effectively filter the dust, particles in the air

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