Search results for "environmental electronics"

1. High-capacity battery cells, supporting long-lasting battery life, eliminating the hassle of frequent charging2. Intelligent temperature control, ensuring stable operation of the device and improving cooling efficiency3. The device body is equipped with an LED digital display screen, allowing real-time monitoring of remaining battery power4. The device body has reserved hanging strap holes, which can be paired with a hanging strap for neck-worn wearing, freeing up both hands5. The large-angle spiral fan blade design effectively cuts through the airflow, creating a powerful hurricane and delivering wind more rapidly6. The dual-turbine structure achieves turbocharging, significantly increasing wind power and extending the wind delivery distance7. The front-end cooling ice ceramic sheet enables rapid cooling8. Battery capacity: 2400mAh9. Ranges: five levels (1/50/100/150/199)10. Rated power: 2.5W11. Input voltage: 5V12. Input current: 1A13. Charging interface: Type-C14. Material: ABSSpecification: Package Weight One Package Weight 0.25kgs / 0.56lb One Package Size 20cm * 8cm * 7cm / 7.87inch * 3.15inch * 2.76inch Qty per Carton 40 Carton Weight 12.00kgs / 26.46lb Carton Size 42cm * 37cm * 34cm / 16.54inch * 14.57inch * 13.39inch Loading Container 20GP: 504 cartons * 40 pcs = 20160 pcs40HQ: 1171 cartons * 40 pcs = 46840 pcs

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DIY Supplies:Plumbing Model Number:Gas Analyzers Install, and it could detect gas, liquefied petroleum gas, coal gas, methane, other combustible gases etc. It also has a clear LCD display for showing the numerical number of gas concentration, and it will give a loud sound when it detects a gas leakage, practical to use.Features:1. The shell of our gas detector is made of high-quality plastic material, which makes it eco-friendly, sturdy and durable to use.2. When the gas leakage occurs, the gas concentration reaches the alarm concentration will sound and light alarm, play a timely reminder, to ensure personal safety.3. With a clear LCD display, the numerical number of gas concentration will show on it clearly. When the detector detects a gas leakage, it will give an alarm in a loud sound.4. Our gas detector is highly sensitive, it could detect many kinds of gas, such as liquefied petroleum gas, coal gas, methane, other combustible gases etc.5. Easy to install with included screws and installed panel, it is also very easy to use with the power button, plug and play.6. A great household necessity to protect your families safety. Perfect for using in home kitchen, bathroom, bus carriage, grill house and so on.Specifications:1. Plug Standard: EU Plug2. Shell Material: Plastic3. Color: White4. Operating Voltage: AC 90V-240V 50/60Hz5. Working Current: 200mA6. Battery: 9V Ni-Mh Battery (Not included)7. Alarm Concentration: 2500PPM (+/-1500PPPM)8. Alarm Output: Sound & Flash alarm9. Alarm Language: English10. Operating Temperature: -10 degree C ~ +50 degree C11. Relative Humidity: 10%-95%12. Installation Mode: Wall mounted13. Alarm Sound: >=85db14. Size: Approx. 112*73*43mmSpecification: Package Weight One Package Weight 0.24kgs / 0.54lb One Package Size 11cm * 7.3cm * 3cm / 4.33inch * 2.87inch * 1.18inch Qty per Carton 61 Carton Weight 15.00kgs / 33.07lb Carton Size 43cm * 28cm * 11cm / 16.93inch * 11.02inch * 4.33inch Loading Container 20GP: 2013 cartons * 61 pcs = 122793 pcs40HQ: 4674 cartons * 61 pcs = 285114 pcs

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1. Material: ABS+PC2. Size: 61x50x55mm3. Weight: 111g4. Input: AC 100-240V, 50/60HZ 3600mA5. Total output: 5V/3.6A (Max)6. Small and light in appearance, easy to carry when traveling.7. Comply with multi-country standard sockets, and can be converted and used at will.8. The PC shell is used, which is effective in fire prevention and flame retardant, making it safer to use.9. Built-in a variety of protection functions and fuses to protect the safety of electrical equipment.10. There is a protective device inside to prevent childrens fingers or small metal from being inserted.11. The plug specification can be easily switched with one push and one pull, the operation is simple, and it is firm and not easy to loosen.12. With a universal plug, 3 USB ports + 1 Type-C port, easy to use.Specification: Package Weight One Package Weight 0.17kgs / 0.37lb One Package Size 16.5cm * 9.3cm * 6cm / 6.5inch * 3.66inch * 2.36inch Qty per Carton 100 Carton Weight 16.00kgs / 35.27lb Carton Size 60cm * 35cm * 48cm / 23.62inch * 13.78inch * 18.9inch Loading Container 20GP: 264 cartons * 100 pcs = 26400 pcs40HQ: 614 cartons * 100 pcs = 61400 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. Input voltage: DC 5V - 35V2. Input method: 5.1 Bluetooth audio decoding, USB computer sound card decoding3. Bluetooth version: 5.14. Bluetooth name: LQSC_BT5. Output method: 3.5MM stereo headphone jack, XH 2.54-3P stand-alone socket6. Signal-to-noise ratio: -95DB7. Distortion THD: 0.05%8. Operating temperature: -40℃ to 85℃9. LED indicator explanation:- Fast flashing: waiting for connection- Slow flashing: audio playing- Constantly on: connected10. Size: about 5.5 x 3.2 x 1.2cm11. Shipping list: bluetooth audio decoding board x 1, 2.54mm 3P audio shielding cable x 1, 2.54mm 3P socket terminal x 1 Characteristics:1. Full patching process2. Wide range of operating voltage3. Protection against reverse power connection4. Dual audio output terminals5. Can be externally connected with antenna (suitable for installation inside a metal box)Specification: Package Weight One Package Weight 0.03kgs / 0.06lb One Package Size 7cm * 6cm * 5cm / 2.76inch * 2.36inch * 1.97inch Qty per Carton 225 Carton Weight 7.00kgs / 15.43lb Carton Size 47cm * 37cm * 32cm / 18.5inch * 14.57inch * 12.6inch Loading Container 20GP: 479 cartons * 225 pcs = 107775 pcs40HQ: 1112 cartons * 225 pcs = 250200 pcs

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1. Based on the RP2350 main controller, it supports external interfaces such as RS485 and Pico, and features built-in power isolation and optocoupler isolation protection circuits for enhanced safety, stability, and reliability.2. Unique dual-core, dual-architecture design, equipped with a dual-core ARM Cortex-M33 processor and a dual-core Hazard3 RISC-V processor, both operating at clock frequencies up to 150MHz, allowing users to flexibly switch between the two architectures.3. Equipped with a Raspberry Pi Radio Module 2, supporting Wi-Fi 4 wireless network and Bluetooth 5.2 (Wi-Fi module version only).4. Built-in 520KB SRAM and 16MB on-chip Flash. Uses a Type-C interface, eliminating concerns about correct plug orientation.5. Uses high-quality relays, allowing connection to loads: 10A 250V AC or 10A 30V DC.6. On-board isolated RS485 interface for easy connection to various RS485 Modbus industrial expansion modules or sensors.7. On-board Pico-compatible interface, compatible with some Raspberry Pi Pico expansion boards, facilitating the expansion of functions such as RTC, CAN, RS232, LoRa, and sensors.8. On-board terminal block power supply interface, supporting a wide voltage range of 7V~36V, convenient for industrial power supply use.9. On-board optocoupler isolation to prevent high-voltage circuits connected to the relay from interfering with the control chip.10. On-board digital isolation to prevent external signals from interfering with the control chip.11. On-board integrated power isolation provides a stable isolated voltage; no additional power supply is required for the isolated end.12. On-board power and RS485 transceiver indicator lights, buzzer, and RGB LEDs for easy monitoring of the devices operating status.13. On-board power and RS485 transceiver indicator lights, buzzer, and RGB LEDs for easy monitoring of the devices operating status.14. Rail-mounted ABS protective casing for easy installation and safer use.15. USB 1.1 host and device support.16. Supports low-power sleep and hibernation modes.17. Controllable via USB. Identified as a mass storage device for drag-and-drop program downloading18. 34 multi-functional GPIO pins19. 1 HSTX pin, 2 I2C pins, 2 UART pins, 8 12-bit ADC pins, and 24 controllable PWM channels20. 12 programmable I/O (PIO) state machines for custom peripheral supportProduct parameters:1. Power supply voltage: 5V2. Functions: device power supply, USB communication, and firmware download, etc.3. Interface type: terminal block4. Direction control: hardware automatically detects and controls data transmission direction5. Interface protection: provides TVS tube protection, surge and electrostatic protection6. Matching resistor: default NC, 120R matching resistor reserved, can be enabled with a jumper cap7. Contact type: one normally open, one normally closed8. Isolation type: optocoupler isolation9. RGB: colorful cool LED beads, customizable display colors10. PWR: power indicator light, lights up red when USB is connected and voltage is detected11. TXD: transmit indicator light, lights up green when data is sent from the RS485 interface12. RXD: receive indicator light, lights up blue when data is received from the RS485 interface13. Power supply range: 7V-36V14. Casing: rail-mounted ABS protective casing15. Dimensions: 145 x 90 x 40 mmSpecification: Package Weight One Package Weight 0.07kgs / 0.16lb One Package Size 17cm * 12cm * 6cm / 6.69inch * 4.72inch * 2.36inch Qty per Carton 30 Carton Weight 3.20kgs / 7.05lb Carton Size 36cm * 38cm * 32cm / 14.17inch * 14.96inch * 12.6inch Loading Container 20GP: 609 cartons * 30 pcs = 18270 pcs40HQ: 1414 cartons * 30 pcs = 42420 pcs

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Product Features1. Output relay switching capability: Capable of controlling loads with voltages up to 250V. Requires a 12V power supply. 2. Small Size: The circuit board measures only 35x30x17mm. 3. User-Adjustable Operating Mode: Self-locking, interlocking, inching, and time-delay modes can be adjusted via pin short-circuit caps. 4. Learning Pairing: You can learn to pair with any remote controller with the same frequency (dont worry if you lose your remote during use; simply buy a new one and learn the code without having to replace the entire set, significantly saving costs).Technical Parameters1. Operating Voltage: DC 12V (3V/6V/9V/24V available on request) 2. Quiescent Current: Less than or equal to 10mA 3. Operating Temperature: -40 degrees Celsius to +80 degrees Celsius 4. Receiver Sensitivity: More than or equal to -95dB 5. Operating Frequency: Commonly 315MHz, 433.92MHz (other frequencies available on request) 6. Output Current: Less than or equal to 10A 7. Operating Mode: Inching, Self-Lock, Interlock, Delay (Adjustable) 8. Output Mode: Contact Output (AC and DC controllable)ApplicationsThis product uses an intelligent microprocessor control system and is suitable for garage door control, lighting control, remote curtain control, access control systems, and various motor control systems. It features a compact size, easy installation, and safe and reliable operation.Learn How to Pair Code1. Inching Learning Method: Press the pairing button on the control panel once. The LED indicator will flash once. Then, press the button on the remote control to be paired. The LED indicator on the control panel will flash several times, indicating successful pairing. 2. Self-locking Learning Method: Press the pairing button on the control panel twice. The LED indicator will flash twice. Wait until the LED indicator turns off. Then, press the button on the remote control to be paired. The LED indicator on the control panel will flash several times, indicating successful pairing. 3. Interlocking Learning Method: Press the pairing button on the control panel three times. The LED indicator will flash three times. After the LED indicator turns off, press the A and B buttons on the remote control to be paired. The LED indicator on the control panel will flash several times, indicating successful pairing. 4. 5-Second Delay Learning Method: Press the control panel pairing button 4 times in a row. The LED indicator will flash 4 times. After the LED indicator goes off, press the button on the remote control you want to pair. The control panel LED indicator will flash several times, indicating successful pairing. 5. 10-Second Delay Learning Method: Press the control panel pairing button 5 times in a row. The LED indicator will flash 5 times. After the LED indicator goes off, press the button on the remote control you want to pair. The control panel LED indicator will flash several times, indicating successful pairing. 6. 15-Second Delay Learning Method: Press the control panel pairing button 6 times in a row. The LED indicator will flash 6 times. After the LED indicator goes off, press the button on the remote control you want to pair. The control panel LED indicator will flash several times, indicating successful pairing.Precautions1. Do not operate with power on. Always turn off the power before operating. Only power on after confirming that everything is working properly. 2. If the remote control battery voltage is low, please replace the batteries immediately. (A low battery voltage in the remote control generally reduces the control range.) 3. When using wireless electronic products, avoid strong interference sources such as metal covers, large electronic devices, and electromagnetic fields to prevent the remote control from being too close to the receiver or causing it to malfunction. 4. Do not use this electronic product improperly. Improper use can reduce product performance and lifespan, and in severe cases, damage the product and pose a safety hazard. 5. The delay time setting is automatically set when entering learning mode. The delay time setting is linked to the number of times the learning button is pressed. Please pay special attention to this.Specification: Package Weight One Package Weight 0.07kgs / 0.15lb One Package Size 7cm * 6cm * 3cm / 2.76inch * 2.36inch * 1.18inch Qty per Carton 100 Carton Weight 5.50kgs / 12.13lb Carton Size 36cm * 25cm * 10cm / 14.17inch * 9.84inch * 3.94inch Loading Container 20GP: 2962 cartons * 100 pcs = 296200 pcs40HQ: 6878 cartons * 100 pcs = 687800 pcs

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1. Dual decoding supports music in MP3/WMA/WAV/FLAC/APE lossless decoding format2. Support bluetooth call function, power off memory function3. Support MMC/SD/MMA and other cards, support USB interface (U disk)4. Support external audio source input LINE IN5. Support radio FM, search frequency band (87.5MHZ-108.0MHZ)6. Mobile phone Bluetooth connection matching fast, low-power decoding scheme7. Application areas: speakers, tricycles, vans, buses, trolley speakers, power amplifiers, etc.8. Bluetooth transmission distance: within 20 meters9. Radio channel: 87.5Mhz-108Mhz10. Voltage input: DC 5V11. Amplifier: 2 x 3W12. Function: Bluetooth 5.0+lossless decoding+call+radio FM+AUX+USB+TF card13. Speaker: 4 ohms, 3W14. Buttons: three-button control, VOL-/AUTO/VOL+15. Dimensions: 71 x 22mmSpecification: Package Weight One Package Weight 0.05kgs / 0.11lb One Package Size 15cm * 10cm * 5cm / 5.91inch * 3.94inch * 1.97inch Qty per Carton 500 Carton Weight 22.00kgs / 48.50lb Carton Size 50cm * 50cm * 44cm / 19.69inch * 19.69inch * 17.32inch Loading Container 20GP: 242 cartons * 500 pcs = 121000 pcs40HQ: 562 cartons * 500 pcs = 281000 pcs

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1. Power supply: DC dual power supply ± 58 ± 70v2. Rated output power: 500w (± 65v power supply, 4 ohm load, 10% deformation)3. Efficiency: greater than 90%4. S / N ratio: 90db5. Total harmonic distortion:380w (+/- 65 power 4 ohm speaker, distortion <0.1%)280w (+/- 65 power 8 ohm speaker, distortion <0.1%)6. Frequency range: 20Hz-20kHz7. Voltage magnification: 36 times8. Input sensitivity 1.5v (RMS)9. Output short circuit protection: yes10. Output DC bias protection Speaker protection: yes11. Overheat protection: Yes, the temperature of the radiator is higher than 100 degrees Celsius, turn off the output!12. Product size: about 100 × 50 × 30mm13. Net weight: 100gSpecification: Package Weight One Package Weight 0.12kgs / 0.25lb One Package Size 15cm * 10cm * 5cm / 5.91inch * 3.94inch * 1.97inch Qty per Carton 242 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 242 pcs = 42834 pcs40HQ: 412 cartons * 242 pcs = 99704 pcs

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1. Material: ABS2. Material of test line: brass/PVC3. Measurement method: double integral A/D conversion4. Over range indicator: OL5. Power supply: AAA battery (not included)6 DC voltage: range 0.8~1000V; Resolution of 0.001 ~ 1 v7. Ac voltage: range 0.7~800V; Resolution of 0.001 ~ 1 v8. Capacitance: range 0~60mF; Resolution of 10 ~ 100 uf pf9. Temperature: -25~50 degrees Celsius10. Can automatically identify DC/AC voltage/resistance and measure11. Without toggle dial switch, easy to operate12. If no operation is performed for 5 minutes, automatic shutdown will save energy13. 6000 count digital pen multimeter, sampling speed is 3 times per second14 LCD screen clear display, easy to read the measured value15. Use a flashlight in the dark16. Data retention function, easy to query data, when using the alarm beep17. Electronic components and sturdy plastic housing, designed to be light weight and easy to carry pocket size18. Total length of line: 80 cm19. Product size: 170x24x21mm20. Product weight: about 50 gramsSpecification: Package Weight One Package Weight 0.20kgs / 0.43lb One Package Size 20cm * 9cm * 4cm / 7.87inch * 3.54inch * 1.57inch Qty per Carton 150 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 150 pcs = 26550 pcs40HQ: 412 cartons * 150 pcs = 61800 pcs

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1. Air convection, whole-room circulation, double-gear adjustable 2. High and low power regulation, compact size, suitable for office, household, vehicle, etc. 3. Touch Control, Short Touch Switch/Gear Adjustment 4. Safety, highlighting the high-tech sense 5. Dual-wing design, quiet and high air volume 6. 5-20 degree angle adjustable, easy to use 7. Line length: 1.5m 8. Input voltage: 5V 9. Power supply mode: USB computer interface/USB socket interface/mobile power supply 10. Dimension: 19.5x16x14.2cmSpecification: Package Weight One Package Weight 0.47kgs / 1.03lb One Package Size 19.5cm * 16cm * 14.2cm / 7.68inch * 6.3inch * 5.59inch Qty per Carton 20 Carton Weight 9.14kgs / 20.15lb Carton Size 60cm * 40cm * 40cm / 23.62inch * 15.75inch * 15.75inch Loading Container 20GP: 277 cartons * 20 pcs = 5540 pcs40HQ: 644 cartons * 20 pcs = 12880 pcs

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1. Charging time: about 1 hour 2. Battery capacity: 90mah 3. Usage time: about10 hours 4. Range frequency range: 2.4g 5. Method of connection method: automatic plug and play pairing 6. high performance 2.4GHz chip wireless transmission, stable connection 7. intelligent noise reduction, built-in noise reduction chip, with AI noise reduction algorithm, strong anti-interference abilitySpecification: Package Weight One Package Weight 0.16kgs / 0.34lb One Package Size 17.2cm * 9.6cm * 3.6cm / 6.77inch * 3.78inch * 1.42inch Qty per Carton 100 Carton Weight 14.30kgs / 31.53lb Carton Size 40cm * 36cm * 51cm / 15.75inch * 14.17inch * 20.08inch Loading Container 20GP: 363 cartons * 100 pcs = 36300 pcs40HQ: 842 cartons * 100 pcs = 84200 pcs

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