Search results for "environmental electronics"

1. Working power: 5W2. Input voltage: DC 5V/1A3. Wind speed: five wind speeds4. Charging port: Type-C5. High-definition digital display, clear gear position and power6. Turbine blades, strong wind7. Built-in battery, using Type-C port8. Small and portable, with a lanyard for hanging on the handSpecification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 14cm * 6cm * 5cm / 5.51inch * 2.36inch * 1.97inch Qty per Carton 144 Carton Weight 22.60kgs / 49.82lb Carton Size 50cm * 44cm * 32cm / 19.69inch * 17.32inch * 12.6inch Loading Container 20GP: 378 cartons * 144 pcs = 54432 pcs40HQ: 879 cartons * 144 pcs = 126576 pcs

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1. The ESP32-S3-LCD-0.85 is a microcontroller development board supporting 2.4GHz Wi-Fi and Bluetooth BLE 5. It features a small square-box molded plastic enclosure, compact and aesthetically pleasing with excellent texture. On-board peripherals include a 0.85-inch IPS color LCD display, Micro SD card slot, 8 RGB colorful lights, and a low-power audio codec chip, facilitating development for multimedia and interactive applications. Leveraging these hardware resources, the product enables functions like image display, audio playback, and lighting effects control. It is suitable for rapid prototyping and can be embedded into end products for personalized expansion and secondary development.2. Equipped with a high-performance Xtensa 32-bit LX7 dual-core processor, with a clock frequency up to 240MHz.3. Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with an on-board antenna.4. Built-in 512KB SRAM, 384KB ROM, 8MB Flash, and 8MB PSRAM.5. Uses a Type-C interface, enhancing user convenience and device compatibility.6. On-board 0.85-inch LCD screen, 128 x 128 resolution, 65K colors.7. On-board 8 ring-shaped RGB colorful lights, programmable for various dynamic lighting effects.8. On-board 3.7V MX1.25 lithium battery charge/discharge interface.9. Exposed I2C, UART, and other solder pads allow for external device connections and debugging, enabling flexible peripheral configuration.10. On-board Micro SD card slot provides expanded storage, fast data transfer, and flexibility for data logging and media playback, simplifying circuit design.11. On-board resources include the ES8311 audio codec chip, dual-MIC microphone module, and others. LCD Screen Parameters:1. Operating voltage 3.3V/5V 2. Display size 15.21 x 15.21 mm 3. Display resolution 128 x 128 pixels 4. Display color: 65K 5. Display panel: IPS 6. Pixel pitch 39.6 x 118.8 um 7. Interface type: 4-wire SPI8. Driver IC: GC9107Specification: Package Weight One Package Weight 0.08kgs / 0.19lb One Package Size 8cm * 8cm * 5cm / 3.15inch * 3.15inch * 1.97inch Qty per Carton 120 Carton Weight 10.70kgs / 23.59lb Carton Size 42cm * 34cm * 32cm / 16.54inch * 13.39inch * 12.6inch Loading Container 20GP: 583 cartons * 120 pcs = 69960 pcs40HQ: 1354 cartons * 120 pcs = 162480 pcs

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1. 800x480 hardware resolution, configurable by software (up to 1920x1080) 2. Supports popular mini PCs such as Raspberry Pi, BB Black, Banana Pi, as well as general desktop computers - When works with Raspberry Pi, supports Raspbian, Ubuntu, WIN10 IOT, single touch, and driver free - When work as a computer monitor, supports Windows 10/8.1/8/7, single touch, and driver free 3. Supports popular game consoles like Microsoft XBOX360, Sony PS4, and Nintendo Switch, etc. 4. Multi languages OSD menu, for power management, brightness/contrast adjustment, etc. 5. 3.5mm audio jack, speaker connector, supports HDMI audio output 6. Also supports VGA input (specific cable is required and should be purchased separately)Specification: Package Weight One Package Weight 0.35kgs / 0.77lb One Package Size 15cm * 11cm * 2cm / 5.91inch * 4.33inch * 0.79inch Qty per Carton 80 Carton Weight 27.80kgs / 61.29lb Carton Size 32cm * 32cm * 32cm / 12.6inch * 12.6inch * 12.6inch Loading Container 20GP: 813 cartons * 80 pcs = 65040 pcs40HQ: 1889 cartons * 80 pcs = 151120 pcs

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1. Monitoring voltage: 4-28V2. Monitoring current: 0-7A3. Monitoring power: 0-120W4. D+/D- voltage: 0-3.3V5. Dimensions: 42x13x82mm6. Compatible with all interfaces, with 5P high-current USB-A, 24P all 7. Pin TYPE-C input and output interfaces, charging detection8. 2.0-inch LCD high-definition display, the measurement data is clearly visible9. 0.00001 low resolution, real-time detection of subtle changes in voltage, power and power during charging10. Support automatic protocol detection, PD2.0, PD3.0, PPS, QC2.0, QC3.0, QC4, FCP, SCP, AFC, PE, DASH VOOC, SuperVOOC, etc.11. Simple display interface, independent function menu, humanized operation12. Four functional curve display, cable detection13. 10 groups of energy records, battery capacity can be calculated by formula14. Driver-free installation, efficient and convenient data synchronization, Bluetooth APP overvoltage and overcurrent alarmSpecification: Package Weight One Package Weight 0.09kgs / 0.21lb One Package Size 10cm * 6cm * 4cm / 3.94inch * 2.36inch * 1.57inch Qty per Carton 318 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 318 pcs = 56286 pcs40HQ: 412 cartons * 318 pcs = 131016 pcs

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1. Bluetooth version: Qualcomm CSR 5.1 Bluetooth chip2. Play time: 22 hours or more3. Standby time: 400 hours4. Charging time: about 2.5 hours5. Charging interface: TYPE-C Android phone plug6. Power requirement: charging requirement 5V1A7. FM support range: 87-108M8. Installation method: clip installation, hook and loop fastener installation9. The product adopts Bluetooth 5.1 chip, which is more power saving, low latency, no noise, realizes stable audio transmission, supports pairing with most other brand Bluetooth intercom headsets and ordinary Bluetooth headsets on the market10. The product adopts CVC8.0 double-meter noise reduction, DSP software algorithm intelligent quadruple noise reduction, which can ensure the quality of the call when using at high speed; equipped with 2IN1 soft and hard labels and double-mark noise reduction function, the noise reduction effect is better11. The intercom distance can reach 800-1000 meters, when the Bluetooth hands-free answering the phone, the distance is more than 20 meters, can support three people to connect, two people full duplex intercom (can carry out two-way signal transmission at the same time)12. The product can be connected to two mobile phones at the same time to realize the control of the basic functions of the mobile phone, (receiving calls, playing music, receiving and FM); automatically answer the phone, if you don’t want to answer, you can press the button to reject or hang up, and then redial the last code ; You can also switch freely between phone, Bluetooth intercom, and stereo music13. The product uses 800mAh super-capacity rechargeable polymer lithium battery, talk time 22 hours, standby time 400 hours; support IOS, part of the ANDROID system headset power display, check the power anytime and anywhere, at a glance; you can also use it while riding Use, while charging, realize the correct charging and use14. The product design is IP67 waterproof, even if it is used in rain or snow, it will not be affected at all15. The product adopts multi-function buttons with large rotating parts, the button layout is reasonable, the function area is clear, and the blind operation of riding off-target can be completed quickly and safely.16. The product is equipped with soft and hard two-in-one earphones, hook and loop fastener bottom clips, front and rear bottom clips, suitable for any kind of motorcycle helmets17. Support K line, connect to ordinary walkie-talkieInstallation steps:1. Loosen the screw on the back of the fixture with the provided screwdriver2. Open the inner lining of the helmet, insert the clamp into a suitable position on the left side of the helmet and tighten the screw (over tightening the screw will damage the clamp)3. Slide the machine into the clamp, make sure it is securely locked4. Open the inner lining of the helmet (at the ear position), clean the surface of the EPS, and stick the hook and loop fastener on the rough surface5. Attach the hook surface to the rough surface of the nylon buckle and arrange the helmet lining properly6. Insert the headphone plug into the corresponding headphone jack on the machine to complete the installationSpecification: Package Weight One Package Weight 0.35kgs / 0.77lb One Package Size 18cm * 14cm * 5cm / 7.09inch * 5.51inch * 1.97inch Qty per Carton 40 Carton Weight 15.38kgs / 33.91lb Carton Size 36cm * 28cm * 50cm / 14.17inch * 11.02inch * 19.69inch Loading Container 20GP: 529 cartons * 40 pcs = 21160 pcs40HQ: 1228 cartons * 40 pcs = 49120 pcs

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1. The product complies with USB video UVC specification and USB audio UAC specification 2. Supports operating systems such as Windows, Android, Linux and MacOS 3. Support most acquisition software, such as VLC, OBS, Amcap, etc. 4. Support HDMI local loop out 5. Support microphone input, audio jack supports integrated headset (when the microphone and headset integrated headset are used at the same time, the integrated headset end has no microphone function.) 6. Support microphone audio and HDMI audio overlay collection 7. Input terminal: HDMI/F maximum input can support 4K, 8/10/12 bit color depth input format 8. Output: USB/F supports up to 1080P; MJPEG output mode 9. High-definition capture, strong compatibility, smooth picture without stutter, no delay 10. No need for external power supply, small size, ultra-thin and portable 11. Operating environment: -20 degrees Celsius -65 degrees Celsius, relative humidity is 5%-95% 12. Product material: using aluminum alloy CNC technology, surface sand surface oxidation, environmental protection; with good anti-interference and heat dissipation capabilities 13. Product weight: 128g 14. Product size: 63x62x15.5mmSpecification: Package Weight One Package Weight 0.14kgs / 0.30lb One Package Size 13.5cm * 11.3cm * 2.2cm / 5.31inch * 4.45inch * 0.87inch Qty per Carton 60 Carton Weight 16.00kgs / 35.27lb Carton Size 42cm * 40cm * 32cm / 16.54inch * 15.75inch * 12.6inch Loading Container 20GP: 496 cartons * 60 pcs = 29760 pcs40HQ: 1151 cartons * 60 pcs = 69060 pcs

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1. Stereo audio, wide frequency response, high efficiency, low distortion and low noise, good sound effect2. There is a volume adjuster, easy to adjust the sound3. With power reverse connection protection, short circuit protection and overheat protection4. Wide supply voltage and two input modes, higher efficiency5. Material: PCB circuit board6. Power supply voltage: DC 5-24V7. Bluetooth version: 5.08. Transmission distance: about 15 meters (visible and unobstructed)9. Number of channels: two channels (stereo)10. Output power: 20Wx2 12V 4 ohms, 30Wx2 16V 4 ohms, 30Wx2 21V 8 ohms, 40Wx2 24V 8 ohms11. Adapter speaker (40-200W): 4 ohms (5-16V power supply), 8 ohms (5-24V power supply)12. Module protection mechanism: power reverse connection/short circuit/self-recovery overheating protection13. Size: about 5.08x3.8x1.815cmPrecautions:1. Keep a safe distance from the router to avoid wifi interference2. It is recommended to use 5-24V DC power supply voltage, higher than 26V chip will burn3. The power supply should be within 16V when connected to a 4-ohm speaker, and within 24V when connected to an 8-ohm speaker4. The power supply current is recommended to be more than 2A5. The speaker cable should not be too long, it is recommended to be within 1m6. Pay attention to electrostatic protection. Before touching the power amplifier board, you need to release the static electricity on your hands to avoid the breakdown of the chip by static electricity. The Bluetooth chip is more sensitive to static electricity.7. It is recommended that the rated power of the speaker is 40W and above to avoid the speaker being overheated and burnedSpecification: Package Weight One Package Weight 0.05kgs / 0.10lb One Package Size 8cm * 6cm * 2.5cm / 3.15inch * 2.36inch * 0.98inch Qty per Carton 500 Carton Weight 27.00kgs / 59.52lb Carton Size 50cm * 50cm * 54cm / 19.69inch * 19.69inch * 21.26inch Loading Container 20GP: 197 cartons * 500 pcs = 98500 pcs40HQ: 458 cartons * 500 pcs = 229000 pcs

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1. Waterproof speakers, powerful and shocking sound2. Built-in antenna, 360-degree signal reception3. AM/FM, listen to a variety of radio programs4. With handle design, easy to carry5. Channel selection: manual6. Signal to noise ratio: 50dB7. Rated voltage: 4.5V8. Rated power: 3W9. Tuning method: pointer tuning10. Impedance: 32 ohms11. Channel: two-channel12. Material: ABS13. Power supply mode: 3 AAA batteries (not included)14. Size: about 13.5 x 5.4 x 8.8cm15. Weight: about 131gSpecification: Package Weight One Package Weight 0.18kgs / 0.40lb One Package Size 14.5cm * 6.5cm * 9.5cm / 5.71inch * 2.56inch * 3.74inch Qty per Carton 162 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 162 pcs = 28674 pcs40HQ: 412 cartons * 162 pcs = 66744 pcs

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1. Load-reducing structure design, comfortable and lightweight. 2. Halter/desktop/handheld three-in-one, easy to carry. 3. Adjust the air supply 180 degrees to meet different needs. 4. Built-in 3000mAh high-capacity battery, 8 hours of long-lasting battery life. 5. It can be used to charge mobile phones and is convenient to go out. 6. Three levels of wind power can be adjusted, soft/powerful switching at will. 7. It can be used as a mobile phone holder. 8. Parameters: Battery capacity: 3000mAh Battery voltage: 3.7V Gear position: 3 gears Use time: 4-12 hours Charging time: about 4 hoursSpecification: Package Weight One Package Weight 0.21kgs / 0.45lb One Package Size 15cm * 10cm * 5cm / 5.91inch * 3.94inch * 1.97inch Qty per Carton 80 Carton Weight 20.30kgs / 44.75lb Carton Size 52cm * 36cm * 32cm / 20.47inch * 14.17inch * 12.6inch Loading Container 20GP: 445 cartons * 80 pcs = 35600 pcs40HQ: 1033 cartons * 80 pcs = 82640 pcs

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1. This product is an industrial standard isolated RS485 to PWM pulse output module. Four channels of frequency and duty cycle are independently adjustable. It adopts Modbus RTU protocol and includes built-in protection circuits such as power isolation, magnetic coupling isolation, self-recovery fuse, and TVS.2. The output uses high-speed optocoupler isolation, and the output high-level voltage can be selected via internal jumpers.3. Four channels of PWM pulse output with frequency and duty cycle independently adjustable.4. Supports setting device address (1 to 255) to cascade multiple devices via the RS485 bus.5. On-board voltage regulator chip supports wide voltage supply from 7V to 36V.6. On-board integrated power isolation provides stable isolation voltage; the isolated end requires no additional power supply.7. On-board integrated magnetic coupling isolation enables signal isolation, with high reliability and strong anti-interference capability.8. On-board self-recovery fuse and TVS (Transient Voltage Suppressor) effectively suppress surge voltage and transient spike voltage in the circuit, protecting against overcurrent, overvoltage, lightning, and static electricity.9. Built-in watchdog ensures stable output without crashing.10. Rail-mounted enclosure design, compact size, easy installation.11. External 3 LED indicators for convenient viewing of power status and signal transmission/reception status. Parameters:1. Communication Interface: RS485 2. Communication Baud Rate: 4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000 3. Default Communication Format: 9600, N, 8, 1 4. Modbus Protocol: Standard Modbus RTU Protocol 5. Supply Voltage: DC 7V to 36V 6. Output Voltage: Default 3.3V, can be set to 5V via internal jumper 7. Output Current: Signal type, less than 30mA 8. Pulse Frequency: 1Hz to 200KHz 9. Frequency Resolution: 0.01Hz 10. Frequency Accuracy: 0.5 percent (equivalent to 5 per mille)11. Duty Cycle: 0 to 100 percent 12. Duty Cycle Resolution: 0.01 percent 13. Duty Cycle Accuracy: 0.5 percent (1Hz to 50KHz), 1 percent (50KHz to 200KHz)Specification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 12cm * 1cm * 6cm / 4.72inch * 0.39inch * 2.36inch Qty per Carton 72 Carton Weight 8.30kgs / 18.30lb Carton Size 38cm * 32cm * 50cm / 14.96inch * 12.6inch * 19.69inch Loading Container 20GP: 438 cartons * 72 pcs = 31536 pcs40HQ: 1018 cartons * 72 pcs = 73296 pcs

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Features:1. Full-band high-sensitivity radio2. Support FM/AM/SW radio3. Support Bluetooth/TF card/U disk playback4. High-brightness flashlight function5. Built-in Bluetooth chip, stable and fast transmission6. Support solar charging, automatic energy storage7. Mini size, easy to carryProduct parameters:1. Bluetooth version: 5.02. Connection distance: 10 meters3. Signal-to-noise ratio: 52dB4. Rated voltage: 5V5. Rated power: 2W6. Solar panel: 1W7. Input: DC 5V8. AM: 530-1710KHZ9. FM: 88-108 MHZ10. SW: 5.6-22MHZ11. Battery capacity: 800 mAh 18650 lithium battery12. Note: The shipment only includes the radio, not other items in the picture!Specification: Package Weight One Package Weight 0.46kgs / 1.02lb One Package Size 19cm * 9cm * 13cm / 7.48inch * 3.54inch * 5.12inch Qty per Carton 64 Carton Weight 30.00kgs / 66.14lb Carton Size 76cm * 36cm * 52cm / 29.92inch * 14.17inch * 20.47inch Loading Container 20GP: 187 cartons * 64 pcs = 11968 pcs40HQ: 435 cartons * 64 pcs = 27840 pcs

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1. Easy-to-use. Just put the test pen into the water you want to test and press the button, then the TDS(total dissolved solids) of water shows on the display. 2. Superb technique, accurate data. Measure water purity accurately, pay close attention to families'health and safety. The lower the TDS the higher purity water has. 3. Extensively application. You can use it to test the purity of running water, plain boiled water, barreled pure water, cell water, filtered water, aquarium water, and so on. 4. lowenergy and intelligent. The tester has IPX6 waterproof body and lowenergy chip, it will auto off above 2 minutes nonuse. 5. 2 changeable button batteries are built in it. 6. Test range: 0-9990.Specification: Package Weight One Package Weight 0.06kgs / 0.13lb One Package Size 20cm * 5cm * 2cm / 7.87inch * 1.97inch * 0.79inch Qty per Carton 200 Carton Weight 12.80kgs / 28.22lb Carton Size 40cm * 40cm * 30cm / 15.75inch * 15.75inch * 11.81inch Loading Container 20GP: 555 cartons * 200 pcs = 111000 pcs40HQ: 1289 cartons * 200 pcs = 257800 pcs

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