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1. Brightness: 2202. Contrast: 500:1-800:13. Response time: 7ms4. Input interface: power interface, antenna interface, AV input, U disk interface, TF card interface5. Output interface: headphone output6. Keys: 7, menu key, mode switch key, confirmation key, direction key up/down/left/right7. Stereo speakers: 2 1W speakers8. Battery capacity: 7.4V 1500MAH9. Playing time: 90 minutes10. Digital TV format: ISDB-T, DVB-T/T2, ATSC (Dolby costs extra)11. Power standby mode: toggle switch12. Power supply: DC12V13. Character language: English, Russian, German, French, Italian and other 22 languages available14. The remote control uses AA batteries (not included)15. Accessories: power supply/remote control/instruction manual/antenna/AV cableSpecification: Package Weight One Package Weight 0.60kgs / 1.33lb One Package Size 19cm * 13cm * 11cm / 7.48inch * 5.12inch * 4.33inch Qty per Carton 12 Carton Weight 8.30kgs / 18.30lb Carton Size 40cm * 28cm * 35cm / 15.75inch * 11.02inch * 13.78inch Loading Container 20GP: 680 cartons * 12 pcs = 8160 pcs40HQ: 1579 cartons * 12 pcs = 18948 pcs

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1. Mini and reasonable size design: 6 * 5.5 * 4.5 cm. 2. Universal power socket with UK / EU / US / AU plug. 3. Please note that AC-AC of no voltage conversion. 4. No grounding. 5. Dual USB charging. 6. Used for indoor and traveling charging.Specification: General Types Adapter, Charger Input Voltage AC 250(Max) Input Current 6A(Max) Output Voltage DC 5V(Max) Output Current 2.1A(Max) Size 6 * 5.5 * 4.5 cm Weight 97 g Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 6.5cm * 6cm * 7cm / 2.56inch * 2.36inch * 2.76inch Qty per Carton 200 Carton Weight 25.50kgs / 56.22lb Carton Size 45cm * 35cm * 30cm / 17.72inch * 13.78inch * 11.81inch Loading Container 20GP: 564 cartons * 200 pcs = 112800 pcs40HQ: 1310 cartons * 200 pcs = 262000 pcs

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1. Ground resistance measurement range: 0.01 ohm - 3000 ohm, accuracy ±1.5% rdg ±5dgt2. Ground resistance resolution: 0.01 ohm3. Ground voltage measurement range: 0.01 - 600V AC, accuracy ±1.5% rdg ±3dgt4. Ground voltage resolution: 0.01V5. Baseline conditions: 23℃ ± 5℃, below 75% rh; auxiliary ground resistance 100 ohm ±5%, ground voltage less than 10V6. Functions: ground resistance measurement, ground voltage measurement, low resistance measurement7. Power supply: DC 6V 1.5V LR14 battery (battery not included in shipment)8. Backlight: adjustable gray-white screen backlight, suitable for dim places9. Measurement method: precise three-wire measurement, simple two-wire measurement10. Measurement method: ground resistance: rated current change method, maximum measurement current 30mA, 128Hz; ground voltage: average rectification11. Resistance line check: avoid errors caused by incomplete insertion of test lines into the instrument interface or poor contact or user replacement of extended test lines, making ground resistance measurement more accurate12. Display mode: 4-digit large LCD display, gray-white screen backlight13. Measurement indication: LED flashes during measurement, LCD countdown display14. Measurement time: ground voltage: about 2 times/second; ground resistance: about 5 seconds/each measurement15. Measurement times: more than 5000 times16. Line voltage: measurement of ground voltage: AC 600V or below17. USB interface: has USB interface, software monitoring, data can be uploaded to the computer for storage and printing18. Communication line: USB communication line 1, 1.5m long19. Data storage: 500 groups, full symbol flashing indicates storage is full20. Data inquiry: data inquiry function: MR symbol displayed21. Overflow display: over-range overflow function: OL symbol displayed22. Alarm function: alarm prompt when measurement value exceeds alarm set value23. Battery voltage: real-time display of battery voltage, reminder to charge when battery voltage is low24. Power consumption - backlight: max 25mA25. Power consumption - standby: max 25mA (backlight off)26. Power consumption - measurement: max 70mA (backlight off)27. LCD size: about 10.8 x 6.5cm28. Instrument size: about 24 x 18.8 x 8.5cm29. Test Line length: 3 lines: red 15m, yellow 10m, green 5m each 1 line30. Simple test line: 2 lines: red 1.5m, green 1.5m each 1 line31. Auxiliary ground rods: 2 rodsSpecification: Package Weight One Package Weight 3.16kgs / 6.98lb One Package Size 32cm * 29cm * 27cm / 12.6inch * 11.42inch * 10.63inch Qty per Carton 1 Carton Weight 4.00kgs / 8.82lb Carton Size 32cm * 29cm * 27cm / 12.6inch * 11.42inch * 10.63inch Loading Container 20GP: 1064 cartons * 1 pcs = 1064 pcs40HQ: 2470 cartons * 1 pcs = 2470 pcs

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NUCLEO-L476RG DescriptionThe STM32 Nucleo board provides an affordable and flexible way for users to try out new ideas and build prototypes with any STM32 microcontroller line, choosing from the various combinations of performance, power consumption and features. The Arduino? connectivity support and ST Morpho headers make it easy to expand the functionality of the STM32 Nucleo open development platform with a wide choice of specialized shields.The STM32 Nucleo board does not require any separate probe as it integrates the ST-LINK/V2-1 debugger and programmer.The STM32 Nucleo board comes with the STM32 comprehensive software HAL library together with various packaged software examples, as well as direct access to mbed online resources.NUCLEO-L476RG Key FeaturesSTM32 microcontroller with LQFP64 packageTwo types of extension resourcesArduino Uno Revision 3 connectivitySTMicroelectronics Morpho extension pin headers for full access to all STM32 I/Osmbed-enabled (http://mbed.org)On-board ST-LINK/V2-1 debugger/programmer with SWD connectorselection-mode switch to use the kit as a standalone ST-LINK/V2-1Flexible board power supplyUSB VBUS or external source(3.3 V, 5 V, 7 - 12 V)Power management access pointThree LEDsUSB communication (LD1), user LED (LD2), power LED (LD3)Two push buttons: USER and RESETUSB re-enumeration capability: three different interfaces supported on USBVirtual Com portMass storageDebug portSupported by wide choice of Integrated Development Environments (IDEs) including IAR?, Keil?, GCC-based IDEsSpecification: Package Weight One Package Weight 0.11kgs / 0.25lb One Package Size 10cm * 9cm * 5cm / 3.94inch * 3.54inch * 1.97inch Qty per Carton 192 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 36cm * 40cm / 23.62inch * 14.17inch * 15.75inch Loading Container 20GP: 308 cartons * 192 pcs = 59136 pcs40HQ: 716 cartons * 192 pcs = 137472 pcs

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1. The input is a switch signal. When the input port is short-circuited to the ground (GND), an alarm message will be sent to the preset alarm phone, or call the set alarm number. The content of the alarm message can be set by yourself 2. It is simple and convenient to use, can be well embedded in other equipment, and act as a remote alarm working system 3. The alarm content of 1 alarm input and the alarm content when it is restored to normal can be defined by yourself 4. Built-in rechargeable lithium battery, usually in a charging state, when the main power is off, it will provide power and send an alarm message to the preset number 5. Power supply: DC 5V-15VSpecification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 13cm * 10cm * 3.1cm / 5.12inch * 3.94inch * 1.22inch Qty per Carton 60 Carton Weight 8.43kgs / 18.58lb Carton Size 41cm * 34cm * 22cm / 16.14inch * 13.39inch * 8.66inch Loading Container 20GP: 869 cartons * 60 pcs = 52140 pcs40HQ: 2018 cartons * 60 pcs = 121080 pcs

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1. Supported languages: Chinese / Portuguese / Russian / Japanese / Korean / Italian / Spanish / Polish / Finnish / Danish / Norwegian / Swedish / Dutch / French / German / Malaysian / Turkish2. Resolution : 4320? 2160 (2160? 2160 per eye)3. OS : Pico OS 5.04. Processor: Qualcomm XR2, 8-core 64-bit5. Optical system: Pancake, 105° FOV, 20.6PPD, 62-72mm interpupillary distance adjustment6. Positioning and sensors: 6DoF positioning system7. Wireless connectivity: support Wi-Fi, 2.4GHz/5GHz dual-band, support BT 5.18. Storage: 8GB+128GB/8GB+256GB9. Battery: 5300mAh Li-ion battery, at least 2.5 hours of use time10. Audio: built-in high-fidelity speakers, dual microphones11. Host weight (without strap/battery): 295gSpecification: Package Weight One Package Weight 3.20kgs / 7.06lb One Package Size 43cm * 25cm * 18cm / 16.93inch * 9.84inch * 7.09inch Qty per Carton 1 Carton Weight 3.20kgs / 7.05lb Carton Size 43cm * 25cm * 18cm / 16.93inch * 9.84inch * 7.09inch Loading Container 20GP: 1378 cartons * 1 pcs = 1378 pcs40HQ: 3199 cartons * 1 pcs = 3199 pcs

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1. CPU: RK3228A2. System: Android 7.13. Decoding formats: HD MPEG1/2/4, H.265, HD AVC and VC-1, HD MPEG1/2/4/9/10, realvideo8, RM/RMVB, XviD/divx3/4/5/64. Video formats: 1080P, 4K, ASF, AVC, AVI, AVS, DAT, DivX, FLV, H.265, ISO, MKV, MOV, MPEG, MPEG1, MPEG2, MPEG4, RM, RMVB, MPG, TS, VC -1, VOB, VP9 Profile-2, WMV5. Audio formats: AAC, DDP, FLAC, MP3, OGG, HD, TrueHD, WAV, WMA6. Image format: bmp, GIF, JPEG, PNG, TIFF7. Video interface: HDMIx18. Audio interface: AVx19. Network interface: RJ45x1, WiFix110. Other interfaces: USB 2.0x411. Adapter input: AC100-240V, 50-60HZ, DC5V/2A12. Support remote control and mousePacking list: box x1, remote control x1, HD cable x1, manual x1, power supply x1Specification: Package Weight One Package Weight 0.33kgs / 0.74lb One Package Size 20cm * 13cm * 6cm / 7.87inch * 5.12inch * 2.36inch Qty per Carton 40 Carton Weight 14.60kgs / 32.19lb Carton Size 57cm * 41cm * 27cm / 22.44inch * 16.14inch * 10.63inch Loading Container 20GP: 422 cartons * 40 pcs = 16880 pcs40HQ: 981 cartons * 40 pcs = 39240 pcs

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1. Receiver battery: AAAx1 (not included), transmitter battery: CR2032*1 2. Easy to carry and use 3. Adjust freely within the range of 0-3 meters to prevent items from entering 4. Good quality and long service life 5. Receiver size: 60x36x15mm, transmitter size: about 25x7mmSpecification: Package Weight One Package Weight 0.06kgs / 0.13lb One Package Size 20cm * 8cm * 2cm / 7.87inch * 3.15inch * 0.79inch Qty per Carton 200 Carton Weight 10.70kgs / 23.59lb Carton Size 40cm * 40cm * 40cm / 15.75inch * 15.75inch * 15.75inch Loading Container 20GP: 416 cartons * 200 pcs = 83200 pcs40HQ: 967 cartons * 200 pcs = 193400 pcs

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1. Superconducting probe, accurate measurement, fast transmission 2. Protect the fine-tipped needles from damage, with friction ring make it easier and safer to change the prob 3. Special buckle design, make the connection stronger 4. Applicable to all types of multimeters, with strong overload current capability 5. 168 roots 0.08AS copper conductor, fast transmissionSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 15cm * 11cm * 3cm / 5.91inch * 4.33inch * 1.18inch Qty per Carton 80 Carton Weight 9.00kgs / 19.84lb Carton Size 46cm * 32cm * 32cm / 18.11inch * 12.6inch * 12.6inch Loading Container 20GP: 566 cartons * 80 pcs = 45280 pcs40HQ: 1314 cartons * 80 pcs = 105120 pcs

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About the product1. A high-performance portable mini size front-end signal amplifying switcher and sound quality processor, 2. Built-in high-performance power processor and signal amplifier 3. For circuit design, Texas Instruments(TI) NE5532 dual operation amplifying chip in top quality acts as the front-end amplifier. 4. NE5532P is tailored for the high-performance audio system, which features ultralow harmonic distortion, low noise, high gain bandwidth or other. 5. Dual FET input widens the dynamic range for NE5532, and sound signal amplification and bipolar operational amplifier. 6. NE5532 audio enhancement technology can correct and recover any signal loss and phase deviation of audio signal system for any reason, reproducing sound and indulging the audiences in the spot effects of enhanced high-low sound, somewhat ideal positioning, definition and brightness. 7. With the audio enhancement circuit, audio system will brighten sound, bring you closer to depth, slenderness and definition, fine treble, penetrating middle and strong and natural bass, placing the audiences on spot. 8. Sound signal amplifying switcher, mainly used to switch various multi-channel signal inputs, such as computer, cellphone, tablet, game console, TV set, TV box, MP3. 9. Additionally with output equipment of signal source or other signal inputs, used for amplifying switch 10. The front-end output adopts 3.5mm interface, the back-end output adopts RCA interface. 11. 11. Simultaneous output of balance circuit architecture is enabled in front-end and back-end, output can be connected to the headphone, stereo, amplifier or any other equipment, used as sound signal amplifying switcher for four-channel signal input and two-channel signal output. 12. With a wide range of application, readily used in any signal input equipment, or used as the front-end signal amplifier, power supply adopts bleeding technology, uses the high-precision potentiometer for balance adjusting, and the positive and negative voltage balance is ultrahigh. 13. Additionally with the tailored high-capacity filter capacitor, ensuring the clean power supply.Main Features1. Four-channel switch circuit (3.5 headphone base and gilt RCA base) replaces input signal with no need to unplug, just turn the panel option switch. 2. High-precision power bleeder circuit ensures the stability of circuit and reduces DC shift of output. 3. Advanced input and output connecting base ensures the smoothness and durability of signal channel. 4. NE5532, well-tailored for the high-performance audio system in best signal amplification, acts as front-end amplification. 5. Original potentiometer made in Taiwan, with small sound loss, high balance, good hand feel and durability. 6. Aluminum alloy housing has a high density of wiredrawing in oxidation treatment, good-looking and noble with screen, but with no color-shading as paint spraying. 7. Standard input interface: 4 x 3.5mm (with four-channel signal input switch) 8. Standard output interface: 3.5mm headphone base and RCA red-white audio base (with simultaneous output)Package Contents- 1 x A926 Four-In Two-Out Signal Amplifying Switcher - 1 x 100-240V Power Adapter (DC12V, US Standard, 100cm power cord) - 4 x 3.5mm Audio Cable (Length: 100cm)Specification: General Input Impedance 10 kohm SNR 110dB Distortion <=0.003% Frequency Response 20Hz-30KHz Output Power 140mW x 4 Output Load Impedance 60 ohm Output Noise >=0.1mw Channel Separation >=65dB Signal Gain AVOL RL>=600 ohm Power Consumption 1000mW Size 10cm x 9.5cm x 3.2cm Weight 356g Package Weight One Package Weight 0.51kgs / 1.13lb One Package Size 20cm * 18cm * 5.5cm / 7.87inch * 7.09inch * 2.17inch Qty per Carton 20 Carton Weight 10.20kgs / 22.49lb Carton Size 53cm * 43cm * 30cm / 20.87inch * 16.93inch * 11.81inch Loading Container 20GP: 390 cartons * 20 pcs = 7800 pcs40HQ: 905 cartons * 20 pcs = 18100 pcs

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1. Temperature measurement range: -50-480 degrees Celsius, -58-896 degrees Fahrenheit2. Measuring object distance ratio: 12:13. Response time: less than 500ms4. Laser aiming: less than 1mW 650nm5. Screen display: VA color screen6. Power supply: 2 AAA batteries (not included)7. Emissivity: 0.1-1.00 adjustable8. Packing list: host x1, manual x1, cloth bag x19. Overall size: about 15.5x9.2x4.2 cm10. Weight: about 180 gramsFeatures:1. Use infrared sensor to measure, no contact, safe to use, accurate measurement2. VA backlit color screen, clear reading, easy to read in the dark environment3. Laser 9-point positioning auxiliary measurement makes the measurement value more accurate4. Using high-quality electronic components, the measurement value is accurate and stable5. Adjustable emissivity6. Low battery warning7. High and low temperature alarm8. Units can be convertedSpecification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 18cm * 12cm * 5cm / 7.09inch * 4.72inch * 1.97inch Qty per Carton 40 Carton Weight 9.00kgs / 19.84lb Carton Size 50cm * 27cm * 32cm / 19.69inch * 10.63inch * 12.6inch Loading Container 20GP: 617 cartons * 40 pcs = 24680 pcs40HQ: 1432 cartons * 40 pcs = 57280 pcs

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Features1. Drive free, no software or app installation, no setup, no cables required. 2. Support PC, laptop, media player and any devices with HDMI jack 3. High resolution up to 1080p 4.164FT clear line of sight transmission distance, 120ms low latency 5. Built-in 5GHz transmission standard technology makes transmission efficiency faster and more stable 6. Support point to point wireless configuration. 7. Audio and video synchronize 8. Support HDCP to ensure data securitySpecificationTransmitter 1. Interface: 1*HDMI-in, 1*micro USB 2. LED: Red, Blue, Purple 3. Power Supply: DC 5V/0.5A 4. Power Consumption: About 2.5W 5. Unit Size: 83mm x 32mm x 13 mm 6. Unit Weight: 27g Receiver 1. Interface: 1*HDMI-out, 1*micro USB 2. LED: Blue 3. Power Supply: DC 5V/0.5A 4. Power Consumption: About 2.5W 5. Unit Size: 83mm x 32mm x 13 mm 6. Unit Weight: 27g Support Format - Video Input: 1920x1080 (1080p60/50/30/25/24, 1080i60/50), 1280x720(720p60/50), 720x576(576p50), 720x480(480p60) Video Output Up to 1080P60 Others 1. Audio: Stereo, quality 16bits 48KHz 2. Wireless Channel: IEEE 802.11ac, 5GHz, 2T2R 3. Latency: 120ms 4. HDMI Version: HDMI 1.3 with HDCP 5. Authentication Protocol: WPA2 (WPAS-PSK / WPA2-Enterprise)???AES 128 bit 6. Device Supported: Any devices with HDMI jack 7. Transmission Distance: About 50 meters in the clear line of sight 8. Operating Temperature: 0 degree C to +40 degree C (+32 degree F to +104 degree F) 9. Operating Humidity: 10% to 80% RH 10. Storage Temperature: -10 degree C to +60 degree C (+14 degree F to +140 degree F) 11. Storage Humidity: 5% to 90% RHPackage List1. Transmitter x 1 2. Receiver x 1 3. Micro USB Cable x 1 4. HDMI Extender Cable x 1 5. Manual x 1Specification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 12cm * 12cm * 5cm / 4.72inch * 4.72inch * 1.97inch Qty per Carton 60 Carton Weight 13.00kgs / 28.66lb Carton Size 52cm * 32cm * 40cm / 20.47inch * 12.6inch * 15.75inch Loading Container 20GP: 400 cartons * 60 pcs = 24000 pcs40HQ: 930 cartons * 60 pcs = 55800 pcs

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