Search results for "environmental electronics"

1. Two pickup modes: cardioid mode, omnidirectional mode 2. The USB interface is plug and play, no driver is required 3. High purity brazed steel mesh head 4. Multi-function indicator aperture 5. Built-in shock-absorbing silicone knob 6. Anti-rust paint metal base 7. Power/power consumption: 5V, 50.5mA 8. Sampling rate: 32KHz, 44.1KHz and 48KHz 9. Bit rate: 16 and 24bit 10. Microphone frequency response: 20Hz-20KHz 11. Sound pressure level: 110dB 12. Diaphragm cabin: two Blue 14mm condenser diaphragm cabins 13. Microphone sensitivity: -37dB 14. Headphone amplifier impedance: greater than 13 Ohms 15. Headphone amplifier frequency response: 20Hz-20KHz 16. Size: 10.9x9.6x21.1cm 17. Weight: 630gSpecification: Package Weight One Package Weight 0.99kgs / 2.17lb One Package Size 26cm * 14cm * 13cm / 10.24inch * 5.51inch * 5.12inch Qty per Carton 20 Carton Weight 19.50kgs / 42.99lb Carton Size 66cm * 53cm * 30cm / 25.98inch * 20.87inch * 11.81inch Loading Container 20GP: 254 cartons * 20 pcs = 5080 pcs40HQ: 589 cartons * 20 pcs = 11780 pcs

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1. This product includes four independent bandpass filters, divided into four frequency bands: P1 filter (0.5-1.5MHz) for AM radio reception; P2 filter (4.5-12MHz) for shortwave low-frequency bands and the 40-meter amateur band; P3 filter (12-30MHz) for shortwave high-frequency bands and the 20-meter, 15-meter, and 10-meter amateur bands; and P4 filter for FM broadcast frequencies (88-108MHz).2. Can be used with a 1-to-4 active splitter to provide pre-filter functionality for SDR, radio, and receivers.3. Complements the lack of a pre-filter design in all-metal aluminum-cased malachite radios, reducing interference from AM, shortwave, FM, and broadcast frequencies.4. Enables simultaneous reception of multiple channels and multiple frequency bands.5. Dimensions: 49x45x19mm6. Package contents:- Filter x 1- Stands x 1Specification: Package Weight One Package Weight 0.07kgs / 0.15lb One Package Size 9cm * 9cm * 4cm / 3.54inch * 3.54inch * 1.57inch Qty per Carton 160 Carton Weight 11.50kgs / 25.35lb Carton Size 47cm * 38cm * 34cm / 18.5inch * 14.96inch * 13.39inch Loading Container 20GP: 439 cartons * 160 pcs = 70240 pcs40HQ: 1019 cartons * 160 pcs = 163040 pcs

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1. Current measurement accuracy: 0.1A2. Voltage measurement accuracy: 1V3. Internal resistance measurement range: 10 milliohms4. Internal resistance measurement accuracy: 0.1 milliohms5. Temperature measurement range: 40 degrees Celsius6. Capacity measurement range: 10AH7. Range: 1.2V-4.8V8. Measure without installing batteries9. Test all different types of batteries (18650/16340/14500/10440/Lithium, AA, AAA, C, D, 9V, coin cell)10. Digital display design, easy to read, digital indicates power level11. Can quickly test your battery capacity12. Small size, light and easy to use13. Weight: 44 grams14. Dimensions: 110.8x60.5x25.5mmSpecification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 14cm * 6cm * 4cm / 5.51inch * 2.36inch * 1.57inch Qty per Carton 100 Carton Weight 7.00kgs / 15.43lb Carton Size 42cm * 32cm * 30cm / 16.54inch * 12.6inch * 11.81inch Loading Container 20GP: 661 cartons * 100 pcs = 66100 pcs40HQ: 1535 cartons * 100 pcs = 153500 pcs

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Product Parameters1. Voltage range: AC 95-240V, 50-60Hz 2. Current: 16A 3. Sensor: NCT, 10K 4. Temperature error: +-1 degrees Celsius 5. Time error: less than 1% 6. Temperature control range: 5-35 degrees Celsius 7. Normal working environment temperature/humidity: -10~45 degrees Celsius, 5~95%RH (no water vapor condensation) 8. Power: less than 1.5W 9. Panel material: PC+ABS 10. Install the embedded box: 86mmx86mm/conventional European box 11. Protection class: IP20 12. Button type: capacitive touch button 13. Screen: LCDProduct Features1. LCD display, more friendly interface 2. Touch operation buttons, smoother interaction 3. Ultra-thin embedded panel, fit all kinds of walls 4. Borderless small rounded corner design 5. Compatible with standard 86mm square cassettes and 60mm European cassettes to meet all installation environmentsFunction Features1. Rich function options, Modbus, WiFi, room card, etc., to meet all your needs 2. Strict temperature control accuracy to provide the temperature you want 3. Power off protection, save all your settings safely 4. Provide weather information and humidity display 5. 5+1+1 mode preset adjustment for a week, programmable setting for 6 periods a day, green energy saving, less expenses, more intelligent environmental protection 6. Support the creation of product local groups/shares to achieve unlimited centralized control/multi-terminal control of the number of products 7. Suitable for Tmall Genie, Amazon Echo, Google Home voice controlSpecification: Package Weight One Package Weight 0.57kgs / 1.26lb One Package Size 16cm * 11cm * 6cm / 6.3inch * 4.33inch * 2.36inch Qty per Carton 40 Carton Weight 23.00kgs / 50.71lb Carton Size 62cm * 34cm * 24cm / 24.41inch * 13.39inch * 9.45inch Loading Container 20GP: 527 cartons * 40 pcs = 21080 pcs40HQ: 1223 cartons * 40 pcs = 48920 pcs

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1. Projection technology: LCD2. Resolution: 320x2403. Brightness: 80 lumens4. Power: 20W5. Supported resolution: 1920x10806. Ratio: 500:17. Working voltage: 5V/2A8. Picture size: 15-100 inches9. Delivery distance: 0.5-3m10. Aspect ratio: 4:311. Input interface: USB/12Vin/5Vin/infrared/headphone12. Output interface: 3.5mm headphone13. Accessories: user manual, remote control, adapter14. Function: Support Miracast/Airplay/DLNA, etc.15. Support wired & wireless same screen function16. Support Android & Apple system17. Uses: home theater, entertainment, early education, video conferencing, online teaching18. Small size, easy to carry19. Mobile phone screen: support mobile phone data line to screen20. With this mini projector, children can stay away from mobile phones and other electronic products, ideal for playing games, watching videos, listening to music, learningSpecification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 21cm * 15cm * 7cm / 8.27inch * 5.91inch * 2.76inch Qty per Carton 30 Carton Weight 16.00kgs / 35.27lb Carton Size 44cm * 47cm * 37cm / 17.32inch * 18.5inch * 14.57inch Loading Container 20GP: 348 cartons * 30 pcs = 10440 pcs40HQ: 809 cartons * 30 pcs = 24270 pcs

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1. Frequency range: VHF: 136-174 MHz, 245-245.9875 MHz (220-260 MHz); UHF: 400-490 MHz2. Number of channels: 200 channels3. Transmit power: 60 W4. Channel spacing: 25 kHz (wideband), 20 kHz (midband), 12.5 kHz (narrowband) 5. Frequency stability: ±2.5 ppm6. Operating temperature: -20 to 60 degrees Celsius7. Operating voltage: DC 13.8 V +/- 15%8. Size: about 19 x 14.5 x 4.7 cm9. Weight: About 1.2 kgReceiver:1. Sensitivity (12 dB SINAD) wideband/narrowband: ≤0.25 μV / ≤0.35 μV 2. Adjacent channel selectivity (wideband/narrowband): ≥70 dB / ≥60 dB 3. Spurious response (wideband/narrowband): ≥65 dB / ≥60 dB 4. Spurious suppression (wideband/narrowband): ≥70 dB 5. Audio response (wide/narrowband): +1 to -3 dB (0.3–3 kHz) / +1 to 3 dB (0.3–2.55 kHz)6. Electromagnetic interference and noise (wide/narrowband): ≥45 dB / ≥40 dB7. Audio distortion: ≤5% 8. Audio power output: greater than 2W ±10%Transmitter:1. Output power (wideband/narrowband): 60W/25W/10W (VHF), 45W/25W/10W (UHF) 2. Modulation (wideband/narrowband): 16K F3E / 11K F3E 3. Adjacent channel power (wideband/narrowband): ≥70 dB / ≥60 dB 4. Signal-to-noise ratio (wideband/narrowband): ≥40 dB / ≥36 dB 5. Spurious and harmonic distortion (wideband/narrowband): ≥60 dB 6. Audio response (wideband/narrowband): +1 to -3dB (0.3–3kHz) / +1 to -3dB (0.3–2.55kHz) 7. Audio distortion: ≤5%Features:1. The housing is made of eco-friendly PC and polycarbonate, offering high strength, precision, and heat resistance, with reinforced, wear-resistant, and drop-proof construction.2. Strong penetration capability ensures longer communication distances; stable and reliable transmission power combined with high reception sensitivity guarantees long-range communication and signal coverage.3. Features a large LCD screen for clear, intuitive, and convenient display of all information; built-in indicator lights allow for effortless operation even at night.4. 60W high power output, high efficiency, and low energy consumption; high power ensures strong signal penetration5. Equipped with a simple yet sturdy handheld microphone; buttons are clear and durable, offering easy operation, a comfortable grip, and robust durability6. Features a DPS noise reduction system with an ultra-high noise reduction ratio7. Circuit boards are made of aluminum alloy for superior heat dissipation, ensuring stable and high-quality communicationPackage list:1. Main unit x 12. Mounting bracket x 13. Mounting screw kit x 14. Power cord x 15. Handheld microphone x 16. User manual x 1Specification: Package Weight One Package Weight 1.80kgs / 3.98lb One Package Size 35cm * 26cm * 10cm / 13.78inch * 10.24inch * 3.94inch Qty per Carton 5 Carton Weight 10.00kgs / 22.05lb Carton Size 47cm * 35cm * 27cm / 18.5inch * 13.78inch * 10.63inch Loading Container 20GP: 600 cartons * 5 pcs = 3000 pcs40HQ: 1393 cartons * 5 pcs = 6965 pcs

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specification1. Measurement range: 0~100%2. Sensor type: contact combustion type3. Response time: about 10 seconds4. Working voltage: 3.6V5.Alam limit: 10% methane6. Working environment temperature: 0~50°C7. Low battery indicator: 3.3v8. Working current: 200mA9. Power: 3x1.2v NiMH batteryPackage Included1 flammable gas detector (without battery)1 USB cable1 x manualSpecification: General Certificate CE Package Weight One Package Weight 0.67kgs / 1.48lb One Package Size 27.3cm * 19.6cm * 6.6cm / 10.75inch * 7.72inch * 2.6inch Qty per Carton 30 Carton Weight 15.00kgs / 33.07lb Carton Size 76cm * 54cm * 18cm / 29.92inch * 21.26inch * 7.09inch Loading Container 20GP: 360 cartons * 30 pcs = 10800 pcs40HQ: 838 cartons * 30 pcs = 25140 pcs

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Features1. TPA3251D2 power amplifier chip scheme is adopted: TPA3251D2 is a high-performance class D power amplifier, which has class D efficiency and can bring real high-end sound quality. The device features advanced integrated feedback design and proprietary high-speed gate driver error correction (pure path TM HD). This technology can make the device maintain ultra-low distortion in the whole audio frequency band and show high-definition sound quality at the same time. 2. Bluetooth-compatible 5.1 audio power amplifier module: 2.1 dual channel stereo output, output power 220W * 2 (left and right channels) + 350W (subwoofer), pure HiFi sound quality. The treble is pure and transparent, the midrange is gentle and delicate, and the bass is surging and shocking. 3. Classic appearance multifunctional main knob: the main knob adopts rotary encoder only used in high-end power amplifier to realize 360 degree stepless tuning. It feels smooth, one key start and stop, long press to start and stop, and the operation is simple and convenient. 4. Support mobile app control: newly upgrade Sini link app; Support to modify Bluetooth-compatible name; Set Bluetooth-compatible password; Off / on tone 5. Supported audio input: Bluetooth-compatible 5.1, AUX, USB sound card, USB flash disk 6. Heat dissipation mechanism: Heat sink + fan for heat dissipation, safe and worry free. Large area aluminum alloy heat sink with special-shaped structure and fan support are adopted to reduce the temperature and effectively ensure the full power operation of the productSpecification1. Power supply: Above DC12-38V/10A 2. Bluetooth version: 5.1 3. Audio channel: 2.1 channels 4. Audio input: Bluetooth-compatible + AUX + USB flash disk + USB sound card 5. Audio output: left and right channels + subwoofer 6. Frequency range: 20Hz -- 20KHz 7. Volume adjustment: Encoder knob adjustment, smooth feel 8. Output power of left and right channels: - 220W/3ohms--36VDC - 175W/4ohms--36VDC - 100W/8ohms--36VDC 9. Output power of subwoofer: - 355W/2ohms--36VDC - 250W/3ohms--36VDC - 195W/4ohms-36VDC 10. Protection mechanism: Overvoltage, undervoltage, clipping, short circuit, overheating and other protection 11. Unique functions: Support sinlink app, modify Bluetooth-compatible name, set Bluetooth-compatible password, and turn off / on prompt tone 12. Product size: 130mm x 116mm x 27mmSpecification: Package Weight One Package Weight 0.42kgs / 0.92lb One Package Size 15cm * 12cm * 4cm / 5.91inch * 4.72inch * 1.57inch Qty per Carton 40 Carton Weight 17.00kgs / 37.48lb Carton Size 42cm * 25cm * 32cm / 16.54inch * 9.84inch * 12.6inch Loading Container 20GP: 793 cartons * 40 pcs = 31720 pcs40HQ: 1842 cartons * 40 pcs = 73680 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. Support Bluetooth mode, reverberation, free adjustment of high and low sounds2. Turn on the Bluetooth function of the mobile phone and search for X168 to connect3. The circuit design of the pre-stage effector, independent volume adjustment4. Bluetooth: 4.25. Signal-to-noise ratio: greater than 95 decibels6. Application: wedding hosting, parties, family entertainment, conferences, speeches, etc.7. Power supply: microphone: 1 AA battery (self-prepared), receiver: AC 110V, transmitter: 1 AA battery (self-prepared)8. Working range: 30-50 meters9. Packing list: power supply, two-to-two audio cable, one-to-two audio cable, 6.35mm audio cable, manual, microphone x 2, receiver, packing box10. Size: microphone 25x5.5cm, transmitter: 17x7cm, receiver: 21x18.5x5cm11. Weight: about 2050g (one set)Specification: Package Weight One Package Weight 2.10kgs / 4.64lb One Package Size 48cm * 38cm * 14cm / 18.9inch * 14.96inch * 5.51inch Qty per Carton 8 Carton Weight 17.80kgs / 39.24lb Carton Size 78cm * 48cm * 58cm / 30.71inch * 18.9inch * 22.83inch Loading Container 20GP: 122 cartons * 8 pcs = 976 pcs40HQ: 285 cartons * 8 pcs = 2280 pcs

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1. UHF 4-channel wireless conference microphone system, 4 independent adjustable channels without mutual interference.2. Flexible gooseneck microphone, 360-degrees rotatable, cardioid pickup pattern to capture voice and reduce background noise.3. Stable wireless transmission up to 50 meters, reliable connection without signal dropout.4. Independent volume knobs for each channel, LED display to show channel and frequency in real time.5. High-fidelity sound and anti-interference performance, clear voice for meetings, speeches and press conferences.6. Compatible with mixers, amplifiers and speakers. Rack mount receiver for easy installation.Specification: Package Weight One Package Weight 4.90kgs / 10.81lb One Package Size 54cm * 14cm * 30cm / 21.26inch * 5.51inch * 11.81inch Qty per Carton 4 Carton Weight 21.00kgs / 46.30lb Carton Size 58cm * 56cm * 33cm / 22.83inch * 22.05inch * 12.99inch Loading Container 20GP: 248 cartons * 4 pcs = 992 pcs40HQ: 577 cartons * 4 pcs = 2308 pcs

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Specifications1.Solar cell type: 156 monocrystalline cell2.Surface: toughened glass3.Frame material: anodic oxidation aluminum alloy4.Back board material: 0.25mm PET5.Power: 5.0W ± 5%6.Operating voltage: 6.0V ± 5%7.Operating current: 833mA ± 5% (max)8.Open circuit voltage: 7.2V ± 5%9.Short circuit current: 916mA ± 5%10.For use with: Solar Power ManagerNote: specifications above are tested on standard condition: 1000W/m2 radiation intensity, 25℃, AM1.5 air quality.Specification: Package Weight One Package Weight 0.73kgs / 1.61lb One Package Size 25cm * 21cm * 4cm / 9.84inch * 8.27inch * 1.57inch Qty per Carton 25 Carton Weight 18.30kgs / 40.34lb Carton Size 61cm * 50cm * 40cm / 24.02inch * 19.69inch * 15.75inch Loading Container 20GP: 218 cartons * 25 pcs = 5450 pcs40HQ: 507 cartons * 25 pcs = 12675 pcs

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