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Do you have trouble at that how to connect 6 sets signal source output and 4 sets equipment?Do you have trouble at that how to make 4 sets equipment output send sound at the same time after 6 sets equipment select shift output?One strong stereophonic shift distribute device able to solve the problems that multiply equipment plug in and out,1. 6 sets input adopt 6 gears mechanical switch manually shift, gears switch will not generate burst sound when shifting2. 4 sets output has independent switch, able to start at the same time, also able to be closed independently, start at the same time no consumption at the signal source tone quality and volume.3. Simple installation: Input and output, able to be used once inserted, convenient to install, signal source non consumption shift, then can enjoy different hearing experience4. Mainly used to select and shift various stereophonic signal input mutually use to output one set or multiply sets equipment, example there has multiply stereophonic signal source (TV audio frequency, MP3 player, CD player, video game, mobile phone, PAD, computer, gramophone) and other equipment need output to power amplifier or source loudspeaker box.5. 6 sets audio source select shift device solve the complex circuit plug in and out operation, unify connect the equipment signal source which need input to the shift device then easily convenient to select.Product Parameter1. Material: Metal2. Interface: RCA interface3. Power supply: USB 5V supply power4. Input and output impedance: 10Kohms - 50Kohms5. Frequency responding: 20Hz - 20kHz6. Distortion: Less than 0.002%7. Output consumption: Less than 0.01dB8. Signal gain: 0dB9. Signal-noise ratio S/N: Greater than 98dB10. Input and output interface: standard RCA interface11. Input passageway: 6 sets stereophonic shift input12. Output passageway: 4 sets stereophonic switch select output (able to start at the same time or close independently)13. Control switch: 6 gears shift switch and 4 sets switches, accurately select the manually shift switch14. Input select shift passageway: 6 passageways15. Output select shift passageway: 4 passageways16. Single product net weight: 0.37 kg17. Product size: Length 162mm x width 63mm x height 38mmKit list1. B049 6 in 4 out audio frequency signal select and switch distribute device x 12. USB power supply wire (wire length 100cm) x 1Specification: Package Weight One Package Weight 0.54kgs / 1.18lb One Package Size 22cm * 16cm * 7cm / 8.66inch * 6.3inch * 2.76inch Qty per Carton 20 Carton Weight 11.00kgs / 24.25lb Carton Size 45cm * 33cm * 37cm / 17.72inch * 12.99inch * 14.57inch Loading Container 20GP: 485 cartons * 20 pcs = 9700 pcs40HQ: 1126 cartons * 20 pcs = 22520 pcs

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1. With this portable pico projector, kids can get away from their mobile phones and other electronics, ideal for playing games, watching videos, listening to music and learning.2. Small in size, easy to carry and can be used everywhere.3. Compatible with Fire TV Stick/headphones/USB hard drive/games/camera/phone/tablet/desktop computer/amplifier4. Mobile phone co-screening: supports mobile phone data cable co-screening5. 100" Projection: 100" in just 4m6. High definition lens 30,000 hours lamp lifeParameters.1. Projection size: 14~100 inches2. Standard physical resolution: 320 x 180p3. Supported resolutions: 1920 x 1080 max4. Lumens: 15+/-3 ans lumens5. Light source: LED, 30,000 hours of life6. Projection technology: LCD7. Operating voltage: DC5V8. Operating current: 2A9. Power: 10W10. Remote control: panel button/infrared remote control11. Headphone output: Audio output, 3.5mm jack output12. Machine size: 110 x 110 x 47mm13. Product weight: 0.2kgPackage includes.Projector x 1USB cable x 1Remote control x 1Instruction manual x 1Specification: Package Weight One Package Weight 0.35kgs / 0.78lb One Package Size 15cm * 14cm * 8cm / 5.91inch * 5.51inch * 3.15inch Qty per Carton 30 Carton Weight 10.32kgs / 22.75lb Carton Size 42cm * 38cm * 32cm / 16.54inch * 14.96inch * 12.6inch Loading Container 20GP: 522 cartons * 30 pcs = 15660 pcs40HQ: 1212 cartons * 30 pcs = 36360 pcs

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1. Color drawing patterns, bright and stylish, TPU+PU leather material, the skin texture is delicate and soft.2. Adopt a one-piece forming voltage process, which has fine workmanship, beautiful appearance, and more explosion-proof and tearing.3. Four-corner all-inclusive design, effectively playing the anti-shock and anti-shock function.4. The bracket function releases the hands, making it easy to light and shadow.5. The hole is accurate, no need to remove the shell and use the button and port normally.Note: The actual product is subject to the title model, the model of the picture is for reference only.Specification: General Compatible with ZTE: Blade A51 Package Weight One Package Weight 0.07kgs / 0.16lb One Package Size 20cm * 16cm * 2cm / 7.87inch * 6.3inch * 0.79inch Qty per Carton 200 Carton Weight 15.00kgs / 33.07lb Carton Size 42cm * 42cm * 36cm / 16.54inch * 16.54inch * 14.17inch Loading Container 20GP: 419 cartons * 200 pcs = 83800 pcs40HQ: 974 cartons * 200 pcs = 194800 pcs

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1. Display: 2.4-inch TFT colour screen, LED backlighting2. Supply voltage: built-in 1500mAh rechargeable lithium battery3. Charging specification: USB Type-C, +5V4. Product volume: 79x103x31mm5. Real-time sampling rate: 10MSa / s6. Analogue bandwidth: 500Khz7. Input impedance: 1 milliohm8. Coupling method: AC/DC9. Test voltage range: 400V10. Vertical sensitivity: 10mV-10V11. Horizontal time base range: 1us-10s12. Trigger mode automatic: normal single13. Trigger type: rising edge/falling edge14. Compact body, simple modelling, easy to use, to meet the measurement routine15. Automatic identification and measurement of various transistors, including NPN and PNP transistors, N-channel and P-channel FETs, junction FETs, diodes, dual-diode thyristors, etc., as well as resistors, inductors, capacitors and other passive components16. Built-in 1500mAh high-capacity lithium battery, power supply continuous operation without isolation transformer, safer to use17. 2.4-inch anti-see-through high-resolution display, allowing you to read clearly even in bright sunlight18. One-piece folding, placed in a stable support, does not take up space19. Size: 79x103x31mmStandard:- DSO-TC3 Tester x 1-Type-C charging cable x 1-Common probe x 1-Test Hook x 3Upgrade:-DSO-TC3 Tester x 1-Adaptor x 1-P6100 High Voltage Probe x 1-Type-C charging cable x 1-Normal Probe x 1-Test Hook x 1Specification: Package Weight One Package Weight 0.32kgs / 0.71lb One Package Size 13cm * 18cm * 6cm / 5.12inch * 7.09inch * 2.36inch Qty per Carton 50 Carton Weight 16.00kgs / 35.27lb Carton Size 64cm * 32cm * 31cm / 25.2inch * 12.6inch * 12.2inch Loading Container 20GP: 420 cartons * 50 pcs = 21000 pcs40HQ: 975 cartons * 50 pcs = 48750 pcs

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UART Fingerprint Reader, onboard processor STM32F205, commercial fingerprinting algorithm, optical sensorOverviewUART Fingerprint Reader is a fingerprinting module designed for secondary development, high-speed for identification, high stability. It is an intelligent module that provides functionalities like fingerprint recording, image processing, feature extraction, template generation, template storage, fingerprint matching and searching, etc.Features1. Onboard high-speed processor STM32F2052. Commercial fingerprinting algorithm, faster identification3. High-accuracy optical sensor, standard 16-pin interface, allows users to choose optical/semiconductor sensors4. Divided structure: fingerprint sensor + processing circuit + algorithm platform5. Easy for developing, controlled via UART, supports any MCU with UART6. Open protocol, it is available to freely input/output fingerprint images, fingerprint feature file and other fingerprinting actionsPackage Contents1. UART Fingerprint Reader × 12. 6-pin custom connector jumper wire × 1Specification: Package Weight One Package Weight 0.05kgs / 0.10lb One Package Size 6cm * 4cm * 2cm / 2.36inch * 1.57inch * 0.79inch Qty per Carton 2000 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 40cm * 40cm / 23.62inch * 15.75inch * 15.75inch Loading Container 20GP: 277 cartons * 2000 pcs = 554000 pcs40HQ: 644 cartons * 2000 pcs = 1288000 pcs

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1. Sonoff S31 is a compact size, US standard wifi smart plug with energy monitoring. 2. The universal smart power plug lets you wireless control home appliances via the app from anywhere at any time. 3. Donot worry that one S31 will take up two sockets' space of your power strip. 4. It's very convenient to use, just plug and play. 5. With the S31 smart outlet, you can keep track of real-time power of your home appliances on the App. 6. You can also measure electricity consumption for a specified period.Specification: General Model S31 Material ABS Input Voltage 90-264V Current 16A Product Weight 135g Package Weight One Package Weight 0.20kgs / 0.43lb One Package Size 15cm * 8cm * 5cm / 5.91inch * 3.15inch * 1.97inch Qty per Carton 40 Carton Weight 7.90kgs / 17.42lb Carton Size 40cm * 30cm * 24cm / 15.75inch * 11.81inch * 9.45inch Loading Container 20GP: 925 cartons * 40 pcs = 37000 pcs40HQ: 2149 cartons * 40 pcs = 85960 pcs

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Specification: Package Weight One Package Weight 1.68kgs / 3.70lb One Package Size 37.7cm * 9cm * 26cm / 14.84inch * 3.54inch * 10.24inch Qty per Carton 6 Carton Weight 8.40kgs / 18.52lb Carton Size 54cm * 40cm * 29cm / 21.26inch * 15.75inch * 11.42inch Loading Container 20GP: 425 cartons * 6 pcs = 2550 pcs40HQ: 988 cartons * 6 pcs = 5928 pcs

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Features:1. Add startup voltage detection function2. Automatic detection of NPN and PNP transistors, N-channel and P-channel MOSFETs, diodes (including dual diodes), thyristors, transistors, resistors and capacitors, etc.3. Automatically test pin elements and display on LCD4. Reference for transistors, MOSFET protection diodes, and amplification factors that can detect the forward bias voltage of the transistors emitter.5. Measure the gate threshold voltage and gate capacitance of the MOSFET6. 1602 liquid crystal display adopts LCD (12864 liquid crystal backlight)7. Fast test speed, effective component test: 2 seconds (except for large capacitors, it takes a long time to measure large capacitance, and the measurement time is one minute is normal)8. One-click operation, boot test, one-click acquisition9. Power consumption shutdown mode: less than 20 nA10. Automatic shutdown function to avoid unnecessary waste, save battery power and improve battery lifeSpecification:1. Two-button operation, automatic shutdown2. Only 20na off current3. Automatic detection of NPN, PNP bipolar transistors, N-channel and P-channel MOS field effect transistors, junction field effect transistors, diodes, diodes, thyristors, low power unidirectional and bidirectional thyristors4. Automatically identify component pin arrangement5. Measurement of Bipolar Transistor Current Amplification Factor and Base-Emitter Threshold Voltage6. Identification of Darlington transistor by base-emitter threshold voltage and large current amplification factor7. Detects bipolar and MOS transistor protection diodes8. Gate MOS FET threshold voltage and gate capacitance measurement9. Two resistances and resistance symbol display can be measured simultaneously. The decimal value shown on the right is 4. The resistance symbols on both sides show the number of pins. So you can measure the potentiometer. If the potentiometer wiper is not shifted to the extreme position, we can distinguish the middle and both ends of the needle10. Resistance measurement resolution is 0.1Ω, can measure 50MΩ11. Can measure 325pf-100mf capacitor with 1pf resolution12. 2uf more capacitors can measure equivalent series resistance at the same time. Two can be displayed as decimal values ??with a resolution of 0.01Ω13. The two diodes can be displayed with the diode symbol in the correct order, and the diode forward voltage can be given.14. The LED was detected as having a higher diode forward voltage. The combination of LEDs is identified as two diodes15. Can measure a single diode reverse capacitance. If the bipolar transistor is connected to the collector or emitter of the base and pins, the collector or emitter junction reverse capacitance can be measured16. Can be connected with single measurement rectifier bridgeSpecification: Package Weight One Package Weight 0.25kgs / 0.54lb One Package Size 18cm * 10cm * 6cm / 7.09inch * 3.94inch * 2.36inch Qty per Carton 50 Carton Weight 14.00kgs / 30.86lb Carton Size 41cm * 37cm * 50cm / 16.14inch * 14.57inch * 19.69inch Loading Container 20GP: 351 cartons * 50 pcs = 17550 pcs40HQ: 816 cartons * 50 pcs = 40800 pcs

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Hardware specifications 1. Chipset: ESP32-WROVER-B, AXP192 power management chip 2. Flash: 16MB 3. Static SRAM: 8MB 4. SRAM: 520 kB SRAM 5. Button: PWR power switch, reset 6. USB to TTL: CP2104 7. Vehicle clock: 40MHz crystal oscillator 8. Peripheral equipment: SIM Nano card slot, Mini PCIE card slot 9. Antenna: Onboard antenna (default) 10. Working voltage: 2.7V to 3.6V 11. Sleep current: About 700ma 12. Operating temperature range: -40 degrees Celsius ~ + 85 degrees Celsius 13. Dimensions: 75 x 33 x 10.5 mm 14. Weight: 14.5g Power Specifications 1. Power input: USB 5V / 1A 2. Charging current: 500 mA 3. Battery input: 3.7-4.2V 4. Charging IC: AXP192 5. JST connector: 2-pin 2.0mm 6. USB: Type C wireless online 1. Standard: FCC / CE-RED / IC / TELEC / KCC / SRRC / NCC (ESP32 chip) 2. Protocol: 802.11 b/g/n (802.11n, speed up to 150Mbps) A-MPDU and A-MSDU aggregation, support 0.4uS guard interval 3. Frequency range: 2.4GHz-2.5GHz (2400M-2483.5M) 4. Transmit power: 22dBm 5. Communication distance: 300m Bluetooth 1. Protocol: Compliant with Bluetooth v4.2BR/EDR and BLE standards 2. Radio frequency: NZIF receiver Class-1 with sensitivity of -97dBm, Class-2&Class-3 transmitter AFH 3. Audio: CVSD&SBC audio Software specifications 1. Wi-Fi mode: Workstation / SoftAP / SoftAP + Station / P2P 2. Security mechanism: WPA / WPA2 / WPA2-Enterprise / WPS 3. Encryption method: AES / RSA / ECC / SHA 4. Firmware upgrade: UART download/OTA (download and write firmware via network/host) 5. Software development: support cloud server development / SDK for user firmware development 6. Network protocol: IPv4, IPv6, SSL, TCP, UDP, HTTP, FTP, MQTT 7. User configuration: AT + command set, cloud server, Android / iOS app 8. Operating system: FreeRTOS Packing list 1. T-PCIE 16MB x 1 2. Charging cable x 1 3. Needle Pin x 2Specification: Package Weight One Package Weight 0.05kgs / 0.11lb One Package Size 15cm * 12cm * 2cm / 5.91inch * 4.72inch * 0.79inch Qty per Carton 300 Carton Weight 13.00kgs / 28.66lb Carton Size 46cm * 32cm * 32cm / 18.11inch * 12.6inch * 12.6inch Loading Container 20GP: 566 cartons * 300 pcs = 169800 pcs40HQ: 1314 cartons * 300 pcs = 394200 pcs

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1. Material: PP + electronic components2. Power: 5W3. Voltage: 5V/0.8A4. Power supply: Type-C 1200mAh5. Wide-angle oscillating airflow; variable frequency mode scientifically divides airflow for a gentle and refreshing experience.6. Operates at high fan speed with a super-concentrated airflow duct, providing powerful airflow and working in conjunction with air conditioning for comprehensive air circulation.7. Soft ambient night light provides both cooling and illumination.8. Scented diffuser cover (opens to the right) contains scented cotton; add perfume or mosquito repellent (not included).9. Thick, non-slip base for increased friction and stable placement on the desktop.10. Dimensions: 21.5x12.6x29.7cmSpecification: Package Weight One Package Weight 0.81kgs / 1.78lb One Package Size 24cm * 15cm * 32cm / 9.45inch * 5.91inch * 12.6inch Qty per Carton 20 Carton Weight 17.80kgs / 39.24lb Carton Size 69cm * 65cm * 47cm / 27.17inch * 25.59inch * 18.5inch Loading Container 20GP: 126 cartons * 20 pcs = 2520 pcs40HQ: 293 cartons * 20 pcs = 5860 pcs

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1. The 10.1-DSI-TOUCH-B is a portrait-oriented touchscreen LCD display designed for interactive projects such as tablets, entertainment systems, and information dashboards.2. IPS display panel with excellent display performance and a 170-degree viewing angle.3. Utilizes high-color gamut quantum dot technology for a wider color gamut and purer colors.4. Supports 10-point touch; the actual number of touch points depends on the software system.5. Tempered glass panel with a hardness of 6H.6. DSI interface drives the LCD with a refresh rate of up to 60Hz.7. Supports backlight brightness control via software.8. Aluminum alloy back shell design with purely passive cooling.9. Dimensions: 245.8 x 153.58 x 12.75 mmAccessories ist:- 10.1-inch display x 1- MIPI-DSI-Cable-12cm x 1- MX 1.25 2PIN to 2.54 3PIN connector cable x 1- FFC cable 22PIN approximately 200mm (opposite direction) x 2- MX1.25 2PIN to MX1.25 4PIN approximately 150mm x 1- Copper pillar kit x 1Specification: Package Weight One Package Weight 0.70kgs / 1.55lb One Package Size 27cm * 18cm * 4cm / 10.63inch * 7.09inch * 1.57inch Qty per Carton 16 Carton Weight 12.30kgs / 27.12lb Carton Size 29cm * 38cm * 34cm / 11.42inch * 14.96inch * 13.39inch Loading Container 20GP: 711 cartons * 16 pcs = 11376 pcs40HQ: 1652 cartons * 16 pcs = 26432 pcs

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1. Material: Aluminum alloy, metal shell2.Magnification: 1-500X digital magnification3. Image frame rate: 30 frames/SEC4. Power supply: USB power supply DC5V5. Lighting: 4 LED highlighter lighting6. Super long video: high compression ratio, memory 3.6GB/11 hours7. Image format: JPEG8. Video format: WMV/DCZ9. Size: 14.2x130 mm10. 17mm diameter, 160mm tube length, easy access to narrow areas of adjustable focus lens, built-in lighting, to ensure that the observation picture is clear and true11. With universal bracket can easily achieve multi-angle observation, convenient for various CNC machine tool installation monitoring12. Hardware 5 million HD pixels, super wide field of view large magnification lensDisplay screen:1. Size: 255mmx175mmx21mm2. Display: 10.1 inches3. Display type: ips LCD screen4. Working hours: about 4~5 hours5. Charging capacity: 7600mAh6. Charging voltage: 5V/2A7. Lens parameters: 12 million pixels8. Pixel resolution: 3840x31049. Frame rate: 3010. Imaging focal length: infinity -10mm11. Lens size: 22mmx111mmSpecification: Package Weight One Package Weight 0.23kgs / 0.51lb One Package Size 18cm * 12cm * 5cm / 7.09inch * 4.72inch * 1.97inch Qty per Carton 128 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 128 pcs = 22656 pcs40HQ: 412 cartons * 128 pcs = 52736 pcs

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