Search results for "air quality electronics"

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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1. Measuring voltage range: 1000V 2. Measuring current range: 1000A 3. Measuring resistance range: 60M 4. Maximum count: 6000 5. Battery type: 3x1.5V AAA 6. Measurement function: capacitance, battery, resistance, DC current, AC current, AC voltage, DC voltage 7. Industrial-grade wear-resistant silicone protective cover, comfortable to touch and durable 8. Accurate detection, easy operation. 9. Clamp opening size: 36x60mm 10. Material: ABS Note: Shipment without batteriesSpecification: General Certificate CE, EMC Package Weight One Package Weight 0.66kgs / 1.46lb One Package Size 29cm * 14cm * 6cm / 11.42inch * 5.51inch * 2.36inch Qty per Carton 48 Carton Weight 32.68kgs / 72.05lb Carton Size 60cm * 44cm * 50cm / 23.62inch * 17.32inch * 19.69inch Loading Container 20GP: 202 cartons * 48 pcs = 9696 pcs40HQ: 468 cartons * 48 pcs = 22464 pcs

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1. It is a headset of motorcycles, bicycles, ATV for two way radios, includes two speakers that allow attached inside the helmet anywhere. 2. The PTT can be buckled on a vehicle Steering bar and quickly activated. 3. This ensures you can remain in contact with colleagues at all times and relay instructions or share information at the press of a button. 4. This earpiece is made from components and materials that are durable, reliable and ensure the earpiece won''t let you down in the middle of an emergency or challenging situation. 5. When you do not want to out your safety of that of team members at risk from relying on cheap, poor quality equipment, this earpiece is the sensible choice. 6. It will provide you with the sound performance you can rely and the durability that ensures it will continue working in even the most challenging environments. 7. For professional users: Racing driver, cycling enthusiasts, police, officer fireman military personnel FBI / CIA / secret agents Bodyguard, And Great for use in police, military, security, bouncer.Specification: General Connector 2.5mm jack, 3.5mm jack Weight 151g Package Weight One Package Weight 0.17kgs / 0.37lb One Package Size 24cm * 19cm * 2cm / 9.45inch * 7.48inch * 0.79inch Qty per Carton 100 Carton Weight 17.80kgs / 39.24lb Carton Size 50cm * 40cm * 42cm / 19.69inch * 15.75inch * 16.54inch Loading Container 20GP: 317 cartons * 100 pcs = 31700 pcs40HQ: 736 cartons * 100 pcs = 73600 pcs

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1. Intuitive and easy to read, the mechanical display can reduce the risk of data loss due to unexpected power outages2. Enclosed anti-interference instrument, with precise, stable and effective counting measurement, it can effectively avoid human and environmental interference3. ABS fireproof material, which has good impact resistance, heat resistance, low-temperature tolerance and excellent insulation performance4. Accurate terminal bottom, the copper connector makes the line connection more reliable and convenient5. Anti-theft seal, it can effectively prevent the electricity meter from being stolen and also prevent the electricity meter from being damaged6. Widely applied, it can be used in apartments, residential areas, rentals, commercial areas, factories, schools and other placesSpecification: Package Weight One Package Weight 1.51kgs / 3.34lb One Package Size 18cm * 16cm * 14cm / 7.09inch * 6.3inch * 5.51inch Qty per Carton 12 Carton Weight 19.00kgs / 41.89lb Carton Size 45cm * 42cm * 32cm / 17.72inch * 16.54inch * 12.6inch Loading Container 20GP: 440 cartons * 12 pcs = 5280 pcs40HQ: 1023 cartons * 12 pcs = 12276 pcs

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1. Thicken nickel-plated joint, reduce sound loss, anti-oxidation and non-rust, plug-resistant2. Flat plug design takes up less space3. A thick copper conductor allows sound quality to be transmitted without loss4. Apply to the connection between 6.5 mm interface devices5. It is suitable for electronic drums, electronic piano, electronic piano, electric guitar, bayse, speaker, AMP, microphone, etc.6. The electric guitar connects the sound box equipment, adjusts the sound, the recording is more convenient, releases the music true colors7. Fold size: 0.5 m: 14 x 9 x 1.5 cm, 1 m: 15 x 13 x 1.5 cm, 3 m: 17 x 14 x 2 cm, 6 m: 21 x 17 x 2 cm8. Weight: 0.5 m: 64g, 1 m: 94g, 3 m: 190g, 6 m: 373gSpecification: Package Weight One Package Weight 0.40kgs / 0.89lb One Package Size 21cm * 17cm * 2cm / 8.27inch * 6.69inch * 0.79inch Qty per Carton 74 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 74 pcs = 13098 pcs40HQ: 412 cartons * 74 pcs = 30488 pcs

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1. Material: ABS-A1 flame retardant plastic2. Power supply: AC 90V-220V3. Net weight: 39 grams4. Dimensions: height 113 mm, upper width 40 mm, lower width 26 mm5. Power: less than or equal to 2W6. Multi-purpose for one machine, mosquito repellent, mite repellent, rodent repellent, various reptiles, etc.7. Intelligent chip, automatic frequency conversion, original breathing electromagnetic wave, 360-degree surround resonance ultrasonic wave, distributed SPL cavity sound wave, continuous change of sound wave frequency, better driving effect8. Voltage overload protection, power saving, less than 1 kWh per month9. No radiation, no noise, one-button switch eliminates cumbersome plugging10. Suitable for bedroom, office, kitchen, bathroom, study and other places11. Scope of application 80-100 square meters (no wall blocking)Specification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 18cm * 10cm * 8cm / 7.09inch * 3.94inch * 3.15inch Qty per Carton 288 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 288 pcs = 50976 pcs40HQ: 412 cartons * 288 pcs = 118656 pcs

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Overview Due to the advantages of ultra-low power consumption, wide viewing angle, and clear display without electricity, it is an ideal choice for applications such as shelf labels and industrial instruments. Features 1. Without backlight, the last content can be displayed for a long time even if it is turned off 2. Ultra-low power consumption, basically only need to refresh the power supply 3. Attached with development resources and manuals (example of Arduin-esp32) Product specifications 1. Working voltage: 3.3V 2. Interface: 3-wire SPI, 4-wire SPI 3. Display color: black, white 4. Grayscale: 2 5. Full refresh time: 8s 6. Refresh power: 26.4mW (typical value) 7. Driver chip: DEPG0213BN ESP32 features: 1. Immersion Gold Craft 2. High cost performance 3. Small size, easy to embed other products 4. Powerful function supports LWIP protocol, Freertos 5. WiFi supports three modes: AP, STA and AP + STA 6. Support Windows system (cygwin and msys32) and Linux system 7. Support Arduino-ide, ESP-IDF, Micropython multiple development environments 8. Support Lua program, easy developmentSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 10cm * 6cm * 1cm / 3.94inch * 2.36inch * 0.39inch Qty per Carton 300 Carton Weight 9.00kgs / 19.84lb Carton Size 42cm * 26cm * 26cm / 16.54inch * 10.24inch * 10.24inch Loading Container 20GP: 939 cartons * 300 pcs = 281700 pcs40HQ: 2180 cartons * 300 pcs = 654000 pcs

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1. Material: ABS2. Power: 2W3. Input: DC5V 0.5A4. Wind Speed: 3 Settings5. Plug Type: Type-C6. Battery Capacity: 500mAh7. Duration of Flight: about 3H8. Time For Charging: about 1.5H9. Size: 109.25x48.3x42.87mm10. Net Weight: 56.8gSpecification: Package Weight One Package Weight 0.09kgs / 0.21lb One Package Size 13cm * 6cm * 5cm / 5.12inch * 2.36inch * 1.97inch Qty per Carton 220 Carton Weight 20.00kgs / 44.09lb Carton Size 60cm * 34cm * 49cm / 23.62inch * 13.39inch * 19.29inch Loading Container 20GP: 266 cartons * 220 pcs = 58520 pcs40HQ: 619 cartons * 220 pcs = 136180 pcs

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1) Super-cardioid polar pattern 2) Superior isolation from camera system 3) 360 Degree Pan / 180 Degree Tilt 4) Low self-noise 5) Low-cut filter 6) Wind screen and windshield 7) Low power warning 8) Superior RF Immunity 9) Cold shoe mount and 1/4 inch mount, Supports many shooting accessories with 1/4 inch screw. Hot shoe mounted on camera for simultaneous video shooting. Easily mounted with Magic Hand Specification: 1) Transducer Principle: Back Electric Condenser 2) Dynamic Range: 114dB 3) Polar Pattern: Super Cardioid 4) SPL: 134dB 5) Frequency Range: 20Hz~20,000Hz 6) THD: Less than or equal 0.5% 7) Output Impedance: 200ohms 8) Power: DC3.0V (AAA 1.5V x2 not included) 9) Sensitivity: -30+/-2dB 10) Signal to Noise Ratio: 74dB 11) Battery Life: Greater than or equal 200h 12) Dimension: 155.7mm x 43.6mm x 91.3mm 13) Weight: 90gSpecification: Package Weight One Package Weight 0.32kgs / 0.71lb One Package Size 21.8cm * 14.7cm * 6cm / 8.58inch * 5.79inch * 2.36inch Qty per Carton 20 Carton Weight 5.80kgs / 12.79lb Carton Size 45cm * 30cm * 30cm / 17.72inch * 11.81inch * 11.81inch Loading Container 20GP: 658 cartons * 20 pcs = 13160 pcs40HQ: 1528 cartons * 20 pcs = 30560 pcs

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Overview1. This is an E-Ink display HAT for Raspberry Pi, 2.13inch, 212x104 resolution, with embedded controller, communicating via SPI interface, supports red, black, and white three-color display.2. Due to the advantages like ultra low power consumption, wide viewing angle, clear display without electricity, it is an ideal choice for applications such as shelf label, industrial instrument, and so on.Features1. No backlight, keeps displaying last content for a long time even when power down2. Ultra low power consumption, basically power is only required for refreshing3. Compatible with Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+4. Preserved solder pads for SPI interface, for connecting with other controller boards like Arduino/Nucleo, etc.5. Onboard voltage translator, compatible with 3.3V/5V MCUs6. Comes with development resources and manual (examples for Raspberry Pi/Jetson Nano/Arduino/STM32)Specifications1. Operating voltage: 3.3V/5V2. Interface: 3-wire SPI, 4-wire SPI3. Outline dimension: 65mm x 30.2mm4. Display size: 23.71mm x 48.55mm5. Dot pitch: 0.229 x 0.2286. Resolution: 212 x 1047. Display color: red, black, white8. Grey level: 29. Full refresh time: 15s10. Refresh power: 26.4mW(typ.)11. Standby power: <0.017mW12. Viewing angle: >170 degreePackage Contents1. 2.13 inch e-Paper HAT (B) x12. RPi screws pack (2pcs) x13. PH2.0 20cm 8 Pin x1Specification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 8cm * 6cm * 2cm / 3.15inch * 2.36inch * 0.79inch Qty per Carton 840 Carton Weight 15.00kgs / 33.07lb Carton Size 56cm * 36cm * 40cm / 22.05inch * 14.17inch * 15.75inch Loading Container 20GP: 330 cartons * 840 pcs = 277200 pcs40HQ: 767 cartons * 840 pcs = 644280 pcs

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1. For Jetson Orin Nano and Jetson Orin NX kits2. Reserve air outlets on three sides and a dedicated built-in fan hole on the top to provide excellent heat dissipation.3. Precise opening design, exquisite manufacturing technology, and beautiful fit4. Onboard power indicator light5. Camera bracket design, mounting holes for monocular or binocular cameras, maximum 180-degree rolling angle6. Equipped with flat ribbon cable for use with 40PIN connector7. Silicone non-slip feet, more stable placement and reduced bottom contact area8. DIN rail mounting holes are reserved to facilitate installation in specific scenarios.9. Product size: 122 x 95 x 91mm10. Weight: 378kgpacking list:-Aluminum body shell (upper and lower + side panels) x 1-Camera stand bottom mount x 1-Camera stand top mount x 1-Antenna x 2-IPEX4 to SMA cable x 2-Button with 4PIN cable x 1-Cable 2x20PIN 55mm x 1-Screwdriver x 1-Screw pack and accessories x 1Specification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 18cm * 12cm * 6cm / 7.09inch * 4.72inch * 2.36inch Qty per Carton 20 Carton Weight 10.70kgs / 23.59lb Carton Size 38cm * 26cm * 32cm / 14.96inch * 10.24inch * 12.6inch Loading Container 20GP: 843 cartons * 20 pcs = 16860 pcs40HQ: 1958 cartons * 20 pcs = 39160 pcs

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1. Rated voltage: single-phase AC 220V 2. Motor voltage: 220V 3. Adapted motor power: 2.2KW 4. The nature of the DC power supply: voltage type 5. Control method: V/F open loop 6. Rated current: 12A 7. Power supply voltage: low voltage 8. Protection methods: overcurrent, overvoltage and undervoltage, module failure, overheating, short circuit, input and output phase loss, abnormal motor parameter adjustment, electronic thermal relay, etc. 9. Product size: 17.5x13.3x11.8cm 10. Large heat sink + efficient integrated fan, better heat dissipation effect, safer to use 11. Simple operation, digital display, intuitive and clearSpecification: Package Weight One Package Weight 1.55kgs / 3.42lb One Package Size 20cm * 14cm * 14cm / 7.87inch * 5.51inch * 5.51inch Qty per Carton 12 Carton Weight 19.00kgs / 41.89lb Carton Size 44cm * 42cm * 30cm / 17.32inch * 16.54inch * 11.81inch Loading Container 20GP: 481 cartons * 12 pcs = 5772 pcs40HQ: 1116 cartons * 12 pcs = 13392 pcs

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