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Product function introductionA977 passive preamp active speaker volume dual-channel controller is small in size and suitable for active speakers or preamp/post-amp, it supports full-balance or input and output of single-ended signal. The product has functions of independent L/R channel volume adjustment, 2 signals input and 2 signals output. It provides balanced XLR and unbalanced RCA connectors which are automatically converted to each other, with a selector switch facilitates the signal switch of input/output.Small size, big intelligence. The product is of small size, but has well-function connecters. It is suitable for decoders and speakers without volume adjustment. the product has the design of balanced input/output and RCA input/output architecture, with switching function. The operation of the product will not cause loss of signal source. Generally, the audio signal released from the decoder is the original sound source signal. Great dynamics will not cause loss of sound quality, retaining the complete original signal source.Product parametersInput/output impedance: 10KΩ - 50KΩ2 in 2 out switchover, unbalanced RCA connector and balanced XRL connector for input/outputInput: unbalanced RCA connector / balanced XLR connector (convert selection)Output: unbalanced RCA connector / balanced XLR connector (convert selection)Product net weight: 0.32 kgProduct package weight: 0.42 kgProduct dimensions: length 145mm X width 65mm X height 43mmPackaging dimensions: length 200mm X width 180mm X height 55mmKit list1 X A977 2 In and 3 Out Switcher Full-balance Passive Preamp Active Speaker Double Sound Source Volume ControllerSpecification: Package Weight One Package Weight 0.48kgs / 1.06lb One Package Size 16cm * 16cm * 5.5cm / 6.3inch * 6.3inch * 2.17inch Qty per Carton 35 Carton Weight 15.00kgs / 33.07lb Carton Size 52cm * 52cm * 17cm / 20.47inch * 20.47inch * 6.69inch Loading Container 20GP: 580 cartons * 35 pcs = 20300 pcs40HQ: 1346 cartons * 35 pcs = 47110 pcs

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This board can be used with Arduino /Raspberry Pi boardModule itself can adapt 3.3V and 5V systems without level conversion.Features1. Within -40 degree C to +85 degree C temperature range, timing accuracy is maintained at +/- 5ppm (+/- 0.432 sec / day).2. Provide battery backup for continuous timing.3. Low-power.4. Device package and function compatible with the DS3231.5. Complete clock functions include seconds, minutes, hours, day, date, month and year timing, and provide valid to 2100.6. Two calendar alarm.7. 1Hz and 32.768kHz output.8. Reset button and button input.9. High-speed (400kHz) I2C serial bus.10. +2.3 V to +5.5 V supply voltage.11. +/-3 degree C accuracy digital temperature sensor.12. -40 degree C to +85 degree C operating temperature range.13. 16-pin SO (300mil) packageSpecification1. Brand: Landa tianrui2. Model: LDTR-WG02113. Quantity: 1 piece4. Color: Black5. Material: PCB6. Chipset: DS32317. Dimensions: 2.2 cm x 1.2 cm x 0.5 cm8. Weight: 5g9. Package List: 1 x DS3231 Clock ModuleSpecification: Package Weight One Package Weight 0.02kgs / 0.03lb One Package Size 5cm * 3cm * 1cm / 1.97inch * 1.18inch * 0.39inch Qty per Carton 6240 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 39cm * 40cm / 23.62inch * 15.35inch * 15.75inch Loading Container 20GP: 284 cartons * 6240 pcs = 1772160 pcs40HQ: 661 cartons * 6240 pcs = 4124640 pcs

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  YF-6 6-in-1 Wireless Charging Station Fast, Convenient & Clutter-Free Charging Simplify your workspace or bedside setup with the YF-6 6-in-1 Wireless Charging Station. Designed to keep your essential devices powered from one compact hub, it combines fast charging with a sleek, space-saving design that's perfect for home, office, or travel. 15W Fast Wireless Charging Enjoy efficient wireless charging for compatible smartphones with up to 15W fast charging output, helping you stay powered throughout the day without the hassle of multiple cables. Charge Multiple Devices at Once The YF-6 features dedicated charging areas for your everyday essentials, allowing you to charge several devices from a single station. Compatible with: Smartphones Smartwatches Wireless Earbuds (TWS) Foldable & Adjustable Design Its foldable, rotatable construction makes it easy to adjust the viewing angle while charging or fold flat for convenient storage and travel. Modern & User-Friendly A built-in LED charging indicator lets you know when your devices are charging, while the USB Type-C input provides a reliable and stable power connection. Key Features 6-in-1 Wireless Charging Station Up to 15W Fast Wireless Charging Dedicated Charging Areas for Phone, Watch & Earbuds Foldable & Rotatable Design USB Type-C Power Input LED Charging Indicator Compact & Space-Saving Ideal for Home, Office & Travel What's Included 1 × YF-6 6-in-1 Wireless Charging Station 1 × USB-C Charging Cable 1 × Wall Power Adapter 1 × User Manual Keep your desk organised and your devices fully charged with one stylish and practical charging solution.

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1. Auto / Manual Power Off 2. Low Battery Indication 3. Backlight Display 4. Max / Min wind speed measuring 5. Average And current wind speed measuring 6. Measuring Range: -10 Celsius???45 Celsius 7. Wind Speed Measuring Range: 0~30m/s 8. Measuring unit: M/s, Ft/min, Knots, Km/hr, Mph 9. Power: 6F22 9V battery 10. LCD size: 30.0 x 25.0mm 11. Size: 52.5mm x 35.5mm x 160mmSpecification: Package Weight One Package Weight 0.18kgs / 0.39lb One Package Size 20.8cm * 15.3cm * 5cm / 8.19inch * 6.02inch * 1.97inch Qty per Carton 40 Carton Weight 8.80kgs / 19.40lb Carton Size 55cm * 35cm * 35cm / 21.65inch * 13.78inch * 13.78inch Loading Container 20GP: 395 cartons * 40 pcs = 15800 pcs40HQ: 918 cartons * 40 pcs = 36720 pcs

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Product model: pzem-061 (V2.0) Function 1. Electrical parameter measurement function (voltage, current, active power, electric quantity). 2. Overload alarm function (over power alarm threshold, backlight and power flashing). 3. Power alarm threshold presetting function (you can set the power alarm threshold by yourself). 4. Power button reset function. 5. Power off data saving function. 6. Large-screen LCD full display function (display voltage, current, active power and electric quantity at the same time). 7. Backlight function. 8. Display and buttons Matters needing attention 1. This module is suitable for indoor use and cannot be used outdoors. 2. The added load shall not exceed the rated power. 3. Make no mistake about the wiring sequence. Specification 1. Working voltage: 80-260VAC 2. Test voltage: 80-260VAC 3. Rated power: 100A/22000W 4. Operating frequency: 45-65Hz 5. Measurement accuracy: level 1.0Specification: Package Weight One Package Weight 0.13kgs / 0.28lb One Package Size 11cm * 7.3cm * 3.5cm / 4.33inch * 2.87inch * 1.38inch Qty per Carton 200 Carton Weight 22.90kgs / 50.49lb Carton Size 42cm * 34cm * 28cm / 16.54inch * 13.39inch * 11.02inch Loading Container 20GP: 666 cartons * 200 pcs = 133200 pcs40HQ: 1548 cartons * 200 pcs = 309600 pcs

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As 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 fields Features 1. 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 backlightSpecification: Package Weight One Package Weight 0.27kgs / 0.58lb One Package Size 18cm * 14cm * 6cm / 7.09inch * 5.51inch * 2.36inch Qty per Carton 60 Carton Weight 18.50kgs / 40.79lb Carton Size 58cm * 41cm * 46cm / 22.83inch * 16.14inch * 18.11inch Loading Container 20GP: 243 cartons * 60 pcs = 14580 pcs40HQ: 565 cartons * 60 pcs = 33900 pcs

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OverviewThe RS485 CAN Shield will easily enable RS485/CAN communication functions for your NUCLEO/XNUCLEO Arduino boards.Features1. Arduino standard interfaces, compatible with Arduino boards like Arduino UNO, Leonardo, NUCLEO, XNUCLEO- When using with Arduino UNO, Leonardo, the CAN function is unavailable due to hardware limitation2. RS485 function, onboard transceiver SP3485/MAX3485, 3.3V power supply3. CAN function, onboard transceiver SN65HVD230, 3.3V power supplySpecification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 7cm * 6cm * 2cm / 2.76inch * 2.36inch * 0.79inch Qty per Carton 960 Carton Weight 15.00kgs / 33.07lb Carton Size 56cm * 36cm * 40cm / 22.05inch * 14.17inch * 15.75inch Loading Container 20GP: 330 cartons * 960 pcs = 316800 pcs40HQ: 767 cartons * 960 pcs = 736320 pcs

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1. Imaging unit: LCD 2. Resolution: 800*480 3. Brightness: 1800 lumens 4. Language: 23 species 5. Image size: 50~130 inches 6. Projection ratio 4:3 / 16:9 7. Contrast 1000:1 8. Machine power: 40w 9. Input interface: VGA/HDMI/USB/AV 10. Interface output: headphones 11. Input voltage: 100-240V~50/60Hz 2.6A 12. Can read U disk, mobile hard disk, SD card, three-in-one AV cable with set-top box, DVD, VGA interface or HDMI interface computer, another wiring connection, wireless WiFi connection 13. Product includes: projector host + remote control + power cord + three in one AV cable + manual + box 14. Host size: 189x157x75mm 15. Projection distance: 3-8mSpecification: Package Weight One Package Weight 1.52kgs / 3.35lb One Package Size 20cm * 17cm * 10cm / 7.87inch * 6.69inch * 3.94inch Qty per Carton 10 Carton Weight 16.60kgs / 36.60lb Carton Size 60cm * 33cm * 43cm / 23.62inch * 12.99inch * 16.93inch Loading Container 20GP: 313 cartons * 10 pcs = 3130 pcs40HQ: 727 cartons * 10 pcs = 7270 pcs

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RUNHOOD EB324 Energy Bar — Compact, Lightweight & Swappable Power The RUNHOOD Energy Bar 324 (EB324) is the dedicated battery module at the heart of the RUNHOOD modular power ecosystem. Designed to pair with compatible RUNHOOD engine modules, it delivers reliable, expandable power in a compact and lightweight form — smaller and lighter than competing products of the same capacity on the market. Features & Benefits 324Wh Capacity in a Compact Form — Packs a full 324Wh of power into one of the smallest and lightest battery modules available at this capacity, making it easy to carry, store and swap on the go Compatible Engine Modules — Works with three RUNHOOD engine types to suit different power needs — the HE1200 Host Engine, UE256 USB Connector and AE80 — each providing their own functional interfaces for a versatile setup Flexible Charging Options — Charge the EB324 via the HE1200 Host Engine or the UE256 USB Connector, giving you multiple ways to top up depending on your setup and location Hot-Swap Technology — RUNHOOD's innovative swappable battery system lets you charge one Energy Bar while simultaneously using another, so there is no waiting around for a full charge before getting back to work or play Modular by Design — Stack multiple EB324 units to increase total capacity and build a power system that grows with your needs, without replacing your existing setup Please Note The EB324 is a battery module only and requires a compatible RUNHOOD engine module to function. Engine modules are sold separately.

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1. Purpose: Digital power amplifier board2. Chip model: TPA31163. Input voltage: DC8-28V4. Output impedance: 4-82 ohm5. Output power: 2 x 120w6. Size: 83x60x25mm7. Weight: About 65gInstructions for use:1. Connect the power input terminal to a DC8-28V power supply. The recommended power supply is DC24V with a current of 6A, and the output power can reach 120W per channel.2. Connect the audio input terminal to the audio source, such as MP3, mobile phone, computer, etc.; it is recommended to connect the output terminal of the front power amplifier board3. Two audio output terminals are connected to two speakers respectivelySpecification: Package Weight One Package Weight 0.09kgs / 0.19lb One Package Size 10cm * 8cm * 5cm / 3.94inch * 3.15inch * 1.97inch Qty per Carton 200 Carton Weight 17.00kgs / 37.48lb Carton Size 42cm * 52cm * 42cm / 16.54inch * 20.47inch * 16.54inch Loading Container 20GP: 290 cartons * 200 pcs = 58000 pcs40HQ: 674 cartons * 200 pcs = 134800 pcs

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1. Metal shell design, more anti-interference! Fashionable appearance, exquisite and beautiful! The metal shell uses an impact-resistant powder coating process to make the machine more anti-drop and durable. 2. The small mixer has seven input channels, and each channel has independent adjustment of high, middle and bass, gain adjustment, reverb adjustment, etc., even for inexperienced new users, after a period of familiarization, they can call up a satisfactory sound. 3. The built-in Bluetooth wireless module makes the connection distance no longer restricted. High-speed Bluetooth transmission supports the connection of most electronic digital products with Bluetooth modules on the market. 4. You can copy MP3 audio files into a USB flash drive, and plug it directly into the USB socket next to the display! Press the MODE button to switch to the USB flash drive mode, and press the play button to play MP3 format music! 5. The 7-channel mixer has a wealth of input and output interfaces, which can be connected to a variety of audio equipment, such as: wired and wireless microphones, electronic keyboard computers, power amplifiers, active speakers, etc.! 6. When playing on different occasions, professional digital calculation can adjust the authenticity of the sound effect, making the music fuller and the sense of space stronger. 7. Output level: +26dBu(max) 8. Common mode rejection ratio: greater than 75dB 9. Line input level: +24dBu 10. Frequency response: 20Hz-20KHz 11. Topic input level: +24dBu 12. Total harmonic distortion: less than 0.01% 13. Noise: -80dBSpecification: Package Weight One Package Weight 2.66kgs / 5.86lb One Package Size 38cm * 30cm * 5cm / 14.96inch * 11.81inch * 1.97inch Qty per Carton 10 Carton Weight 28.00kgs / 61.73lb Carton Size 52cm * 42cm * 32cm / 20.47inch * 16.54inch * 12.6inch Loading Container 20GP: 381 cartons * 10 pcs = 3810 pcs40HQ: 885 cartons * 10 pcs = 8850 pcs

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1. Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards2. 1-Ch CAN, adopts MCP2515 controller and CAN transceiver, converts SPI to CAN3. 2-Ch RS485, adopts SC16IS752+SP3485 dual-chip combination, converts SPI to RS4854. Onboard power conversion circuit, supports 8~28V wide voltage power supply, can power the Raspberry Pi at the same time5. Onboard unibody power supply isolation, providing stable isolated voltage, no extra power supply required for the isolated terminal6. Onboard unibody digital isolation, for isolating the signal, reliable and jamproof, low power consumption7. Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic8. Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance9. Onboard 120Ω terminal resistor, configured by jumper10. Onboard terminals and pin headers, more convenient connection11. Breakout SPI control pins, for connecting with host control boardsSpecification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 8cm * 6cm * 3cm / 3.15inch * 2.36inch * 1.18inch Qty per Carton 200 Carton Weight 41.00kgs / 90.39lb Carton Size 34cm * 32cm * 32cm / 13.39inch * 12.6inch * 12.6inch Loading Container 20GP: 765 cartons * 200 pcs = 153000 pcs40HQ: 1778 cartons * 200 pcs = 355600 pcs

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