Search results for "environmental electronics"

About the product1. Small and portable 2. Can be used for measurement of noise engineering, quality control, health prevention and environmental noise 3. Suitable for factories, offices, families, and etc 4. Powered by 3 x 1.5V AAA batteries(not included)Features1. Measuring range: 30-130 dBA 2. Accuracy: +-1.5dB 3. Frequency response: 31.5Hz-8000Hz 4. Frequency weighting feature: A weighting 5. Resolution: 0.1dB 6. Operating temperature: 0 - 40 celsius degree, 10%-80% relative humidity 7. Storage temperature: -20 - 60 celsius degree, 0-90% relative humidity 8. Min/Max/lock current value 9. LCD backlight 10. Manual/auto power offSpecification: General Model GM1352 Size 155.6*49.6*26.6mm Weight 82g Package Weight One Package Weight 0.16kgs / 0.36lb One Package Size 20.8cm * 15.4cm * 5.1cm / 8.19inch * 6.06inch * 2.01inch Qty per Carton 20 Carton Weight 4.00kgs / 8.82lb Carton Size 53cm * 33cm * 23cm / 20.87inch * 12.99inch * 9.06inch Loading Container 20GP: 662 cartons * 20 pcs = 13240 pcs40HQ: 1538 cartons * 20 pcs = 30760 pcs

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1. Measurement range: 2.5 - 99999 rpm2. Resolution: 0.1 rpm for 2.5 - 999.9 rpm; 1 rpm for 1000 - 99999 rpm3. Measurement distance: 50 - 500 mm4. Time base: 6MHz quartz crystal oscillator5. Data storage: 20 sets6. Range selection: automatic switching7. Power supply: single 6F22 9V battery (not included), rechargeable batteries not supported8. Power consumption: Approximately 35mA9. Test value: value after 4 consecutive tests after power-on10. A tachometer is a commonly used instrument in the machinery industry, used to measure the rotational speed and linear velocity of motors. It can precisely measure the rotational speed of impellers, rollers, and shafts, and is widely used in industries such as motors, fans, washing machines, textiles, automobiles, airplanes, and ships.11. It adopts non-contact measurement, allowing measurement without contact with rotating parts.12. A high-definition large-screen backlight ensures accurate readings regardless of environmental changes, whether day or night.Specification: Package Weight One Package Weight 0.18kgs / 0.41lb One Package Size 21cm * 15cm * 7cm / 8.27inch * 5.91inch * 2.76inch Qty per Carton 50 Carton Weight 9.75kgs / 21.49lb Carton Size 51cm * 25cm * 36cm / 20.08inch * 9.84inch * 14.17inch Loading Container 20GP: 580 cartons * 50 pcs = 29000 pcs40HQ: 1348 cartons * 50 pcs = 67400 pcs

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1. Mini body, compact and portable to carry in pocket. 2. Frequency Range: 400-470 3. Number of channels: 20Specification: Package Weight One Package Weight 0.30kgs / 0.65lb One Package Size 15cm * 15cm * 4cm / 5.91inch * 5.91inch * 1.57inch Qty per Carton 40 Carton Weight 12.50kgs / 27.56lb Carton Size 42cm * 42cm * 38cm / 16.54inch * 16.54inch * 14.96inch Loading Container 20GP: 397 cartons * 40 pcs = 15880 pcs40HQ: 923 cartons * 40 pcs = 36920 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. Automatically recognize and measure according to different input voltage/current/resistance/etc.2. It has the characteristics of stable performance, high accuracy and clear reading3. Other practical functions with flashlight and non-contact voltage test4. Display: 6000 count display5. DC voltage range: 0.5V~600V6. AC voltage range: 0.5V~600V7. AC current range: 20mA / 10A8. DC current range: 20mA / 10A9. Resistance measurement range: 0.1~50 ohm10. Display type: digital display11. Flash, backlight, automatic power off, NCV test, TRUE-RMS, data retention12. Sampling rate: 3 times per second13. Power supply: 2 x 1.5V AAA batteries (not included)14. DC/AC voltage: 6V / 60V / 600V+/- (0.5% + 3)15. Resistance: 600Ω/ 6kΩ/ 60kΩ/ 600kΩ/6MΩ± (0.8% + 3), 60MΩ +/- (2.5% + 3)16. Capacitance: 10nF / 100nF / 1uF / 10uF / 100uF / 1mF / 10mF +/- (3.5% + 20) +/- 60mF (5% + 3)17. AC/DC current: 6A/10A+/-(2%+30)18. Packing list:1 x digital multimeter1 x test lead1 x English user manualSpecification: Package Weight One Package Weight 0.18kgs / 0.39lb One Package Size 20cm * 15cm * 4cm / 7.87inch * 5.91inch * 1.57inch Qty per Carton 100 Carton Weight 21.00kgs / 46.30lb Carton Size 52cm * 32cm * 42cm / 20.47inch * 12.6inch * 16.54inch Loading Container 20GP: 381 cartons * 100 pcs = 38100 pcs40HQ: 885 cartons * 100 pcs = 88500 pcs

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1. Each pharmacy has an independent time setting. You can set a reminder time for each pharmacy according to the requirements of the medication time. It can support 7 time periods of alarm (max), so there is no need to worry about missed medication.2. Each drug warehouse has an independent drug dosage setting, and different drug dosages can be set according to the doctors advice. When reminded, select the drug and drug amount corresponding to the location, and no longer worry about taking the wrong drug.3. The smart pill box with comprehensive reminder, the time to take, the type of medicine to be taken, and the quantity to be taken are clear at a glance.4. Triple reminder, ringtone/vibration/LED display reminder5. The medicine storehouse has 3 grids-6 grids flexibly adjustable, and the loading capacity can meet one week6. The use of environmentally friendly materials, healthy and environmentally friendly, no foreign matter, good sealing of the medicine box.7. Dimensions: 150 x 76.5 x 30mm8. Weight: 160g (without battery)9. Material: PC10. Power supply: 2 AA batteries (not included)11. Standby time: 100 daysSpecification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 18cm * 10cm * 8cm / 7.09inch * 3.94inch * 3.15inch Qty per Carton 146 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 146 pcs = 25842 pcs40HQ: 412 cartons * 146 pcs = 60152 pcs

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Product description:Do you have trouble connecting two power amplifiers to four sets of speakers? Do you need a power amplifier to make all four speakers sound at the same time?A powerful power amplifier with a sound switcher can solve the above problems.1. Touch-tone switching input for 2 power amplifiers, touch-tone selective switching output for 4 stereo speakers (4 sets of speakers can be turned on or off independently)2. Four sets of stereo speakers can sound at the same time, or one or more sets of speakers can be turned off separately, manually selecting a push-button switch3. Maximum support power per channel is 300W4. Signal input provides no-load protection function of vacuum tube power amplifier signal5. Provide output earphone monitoring function, 6.5mm interface, earphone output with volume adjustment function6. The input and output are manually selected for switching, and directly plugged in for direct use. The switching signal is stable, and there will be no additional dryness or noise between channels7. Compact design, strong metal case, easy installation, no external power supplyProduct parameters:1. Compatible with all types of power amplifiers and speakers.2. The input/output receives heavy speaker wire or speaker pin wire through the terminal port.3. Connect the power amplifier to the position of amplifier A or Amplifier B.4. Connect the loudspeakers to the 1-2-3-4 loudspeaker respectively.5. Turn on your power amplifier stereo, the product does not require external power.6. Earphone listening interface: 6.5mm7. Input: 2 sets of input (banana plug)8. Output: 4 sets of output (banana plug)9. Power: Support 300W10. Metallic material, stainless steel case, compact size suitable for any system.11. Channel power: Each channel supports up to 300W.12. Frequency response: 10Hz - 50KHz.13. Net weight: 0.86 kg14. Product weight after packaging: 0.98 kg15. Product size: Length 240mm x width 113mm x height 55mm16. Package size: Length 260mm x width 185mm x height 65mm high17. Kit list: 2 in 4 out power amplifier x 1Specification: Package Weight One Package Weight 1.13kgs / 2.49lb One Package Size 26cm * 19cm * 7cm / 10.24inch * 7.48inch * 2.76inch Qty per Carton 20 Carton Weight 22.52kgs / 49.65lb Carton Size 52cm * 38cm * 35cm / 20.47inch * 14.96inch * 13.78inch Loading Container 20GP: 385 cartons * 20 pcs = 7700 pcs40HQ: 895 cartons * 20 pcs = 17900 pcs

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1. Product materials: Adopt aluminum alloy CNC technology, surface sand surface oxidation, environmental protection; with good anti-interference and heat dissipation capabilities. 2. Product features: This product is a portable HDMI high-definition video capture card that can simultaneously capture HDMI audio and video signals and transmit them to mobile phones and computers for preview, editing, storage and other multi-functional applications. 3. Product application: connect the HDMI input end of the capture card to the signal source, and the HDMI output end to the display port, for high-definition acquisition, video recording, video live broadcast, teaching recording, medical imaging, game live broadcast, video live broadcast, and record camera HD video Wait. Features : 1. The product complies with USB video UVC specification 2. Support 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. Input: HDMI/F input can support 4K, 8/10/12 bit color depth input format 6. Output: USB2.0/M supports up to 1080P; YUV, JPEG output mode 7. When using standard AWG26 cables, the input transmission distance is up to 15 meters (1080P and below resolution); 8. High-definition capture, strong compatibility, smooth picture without stutter, no delay 9. No need for external power supply, small size, ultra-thin and portable 10. Operating environment: -20 Degree C to 75 Degree C, relative humidity 5% to 95%Specification: Package Weight One Package Weight 0.32kgs / 0.71lb One Package Size 18cm * 12cm * 8cm / 7.09inch * 4.72inch * 3.15inch Qty per Carton 20 Carton Weight 7.00kgs / 15.43lb Carton Size 42cm * 37cm * 26cm / 16.54inch * 14.57inch * 10.24inch Loading Container 20GP: 660 cartons * 20 pcs = 13200 pcs40HQ: 1532 cartons * 20 pcs = 30640 pcs

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1. Interface: USB2.02. Video input: RCA composite yellow port3. Audio input: RCA L/R audio white/red port4. Video output: 3.5mm AV cable, HDMI5. Audio output: 3.5mm AV cable, HDMI6. Storage: micro SD card (maximum 16GB, does not support NTSF format)7. Video recording format: .avi8. Recording file video: about 9.3MB/minute, 0.56GB/hour9. Power supply: 5V/1A10. Record analog video to digital format to TF card with one click, no PC required11. Convert old video or camcorder tapes to digital format, no computer required12. One-click recording button to record video directly to Micro SD cardNote: Please do not insert the USB drive and Micro SD card at the same time. FAT and NTFS formats are supported, exFAT is not supported.Specification: Package Weight One Package Weight 0.14kgs / 0.31lb One Package Size 13cm * 10cm * 4cm / 5.12inch * 3.94inch * 1.57inch Qty per Carton 150 Carton Weight 22.00kgs / 48.50lb Carton Size 41cm * 52cm * 42cm / 16.14inch * 20.47inch * 16.54inch Loading Container 20GP: 297 cartons * 150 pcs = 44550 pcs40HQ: 691 cartons * 150 pcs = 103650 pcs

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1. Three-speed wind adjustment, eliminating the sweltering heat and providing instant coolness2. AI energy-concentrating chip, continuously blowing at high speed, low power consumption, long battery life3. Air condensation semiconductor, excellent cooling effect, rapid temperature reduction4. Portable and stable, extendable bracket, instantly transforms into a desktop fan5. Large-capacity battery, Type-C charging port, long battery life6. Tachyonic high-speed brushless motor, multi-level boost, air guiding system, strong wind force7. Compact and easy to carry8. Battery capacity: 1500mAh9. Charging interface: Type-C10. Battery life: 5-6 hours (single fan); 1 hour (cooling + fan)11. Materials: ABS + aluminum alloy + electronic components + semiconductor12. Size: about 15.5 x 6 cmSpecification: Package Weight One Package Weight 0.21kgs / 0.47lb One Package Size 17cm * 8cm * 7cm / 6.69inch * 3.15inch * 2.76inch Qty per Carton 90 Carton Weight 19.00kgs / 41.89lb Carton Size 55cm * 53cm * 35cm / 21.65inch * 20.87inch * 13.78inch Loading Container 20GP: 261 cartons * 90 pcs = 23490 pcs40HQ: 606 cartons * 90 pcs = 54540 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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