Search results for "environmental electronics"

1. 9.5 inches super large full-screen LCD with large bold red font to display for easy reading.2. 24 hours real-time monitoring the sound level.3. Support hanging on the wall(recommended) or free-standing on the desk.4. Wide measurement range from 30dB to 130dB, Frequency: 31.5Hz - 8KHz, Resolution: 0.1dB/1dB.5. Buzzing and flashing to remind you when the real-time measurement is reached to the alarm level, and hold the data for 3s then back to normal mode.6. Suitable for checking and monitoring the sound level for personal, family, business, studies, industrial, etc.Specification: Package Weight One Package Weight 0.69kgs / 1.52lb One Package Size 25cm * 10cm * 5.5cm / 9.84inch * 3.94inch * 2.17inch Qty per Carton 20 Carton Weight 16.00kgs / 35.27lb Carton Size 42cm * 27cm * 30cm / 16.54inch * 10.63inch * 11.81inch Loading Container 20GP: 783 cartons * 20 pcs = 15660 pcs40HQ: 1819 cartons * 20 pcs = 36380 pcs

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Product Functions1. A977 passive preamp active speaker volume dual-channel controller is small in size and suitable for active speakers or preamp/post-amp, it supports full-balance or input and output of single-ended signal. The product has functions of independent L/R channel volume adjustment, 2 signals input and 2 signals output. It provides balanced XLR and unbalanced RCA connectors which are automatically converted to each other, with a selector switch facilitates the signal switch of input/output.2. Small size, big intelligence. The product is of small size, but has well-function connecters. It is suitable for decoders and speakers without volume adjustment. the product has the design of balanced input/output and RCA input/output architecture, with switching function. The operation of the product will not cause loss of signal source. Generally, the audio signal released from the decoder is the original sound source signal. Great dynamics will not cause loss of sound quality, retaining the complete original signal source. Specification1. Input/output impedance: 10KΩ - 50KΩ2. 2 in 2 out switchover, unbalanced RCA connector and balanced XRL connector for input/output3. Input: unbalanced RCA connector / balanced XLR connector (convert selection)4. Output: unbalanced RCA connector / balanced XLR connector (convert selection)5. Product net weight: 320g6. Product dimensions: length 145mm x width 65mm x height 43mmSpecification: Package Weight One Package Weight 0.48kgs / 1.05lb One Package Size 22cm * 18cm * 6cm / 8.66inch * 7.09inch * 2.36inch Qty per Carton 24 Carton Weight 10.00kgs / 22.05lb Carton Size 44cm * 36cm * 36cm / 17.32inch * 14.17inch * 14.17inch Loading Container 20GP: 467 cartons * 24 pcs = 11208 pcs40HQ: 1085 cartons * 24 pcs = 26040 pcs

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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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1. Compact body, takes up no space, is light and portable. The mini clip allows you to easily clip it to your collar or pocket.2. Widely compatible with iPhone/iPad/Android Phone/camera/DSLR/computer/Laptop/Macbook/action camera/video camera, etc. The receiver can connect two microphones at the same time.3. Usage scenarios: Suitable for interviews, online meetings, podcasts, video blogs, Youtube, Facebook, Douyin, and live broadcasts to meet your various needs.4. Plug and play, no drivers or applications required. The real-time monitoring function allows users to monitor the audio being recorded directly through the headphones to ensure that the recording is accurate and clear.5. Adopt intelligent noise reduction technology to help minimize environmental sounds and improve audio call quality.6. Built-in optimized antenna and advanced 2.4GHz transmission technology, easy to connect and cover 65 feet (20 meters) signal, automatic real-time synchronization, sound synchronization without delay.7. Built-in rechargeable lithium battery, after charging for about 2 hours, it can be used for up to 6 hours, suitable for long-term work use.Specification: Package Weight One Package Weight 0.10kgs / 0.22lb One Package Size 15cm * 15cm * 3cm / 5.91inch * 5.91inch * 1.18inch Qty per Carton 100 Carton Weight 9.00kgs / 19.84lb Carton Size 40cm * 40cm * 40cm / 15.75inch * 15.75inch * 15.75inch Loading Container 20GP: 416 cartons * 100 pcs = 41600 pcs40HQ: 967 cartons * 100 pcs = 96700 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. Voltage range: 0-100V (DC)2. Voltage range: automatic, 1V, 10V, 100V3. Resistance: 0-200 ohms4. Resistance range: automatic, 20 milliohms, 200 milliohms, 2 ohms, 20 ohms, 200 ohms5. Instrument test signal frequency: AC 1Khz6. Charging: TYPE-C interface (5V/1A)7. Built-in battery: 1000mAh lithium battery8. Stable support, integrated folding bracket9. Firm and reliable without occupying space, back hanging hole gourd nail design10. Place on the desktop to work without slipping, silicone anti-slip design11. According to actual needs, you can freely choose the automatic shutdown mode or set a specific shutdown time, which is safe to use and can extend the life of the device12. One-click pause, memory stay, data retention13. The test uses a customized Kelvin 4-wire connection method to connect and measure, avoiding the influence of wire resistance and contact resistance, improving test accuracy15. Eight sets of voltage resistance values ??are pre-set, whether it is batch screening of high-quality batteries or precise positioning of problem batteries, it can be completed in an instant, greatly improving work efficiency16. Using TFT high-definition color screen, functional data is clear at a glance, and visual recognition efficiency is faster and smoother17. Size: 158.7x80.5x28.4mm18. Weight: 225gSpecification: Package Weight One Package Weight 0.45kgs / 0.99lb One Package Size 22cm * 14cm * 9cm / 8.66inch * 5.51inch * 3.54inch Qty per Carton 15 Carton Weight 23.80kgs / 52.47lb Carton Size 64cm * 39cm * 46cm / 25.2inch * 15.35inch * 18.11inch Loading Container 20GP: 232 cartons * 15 pcs = 3480 pcs40HQ: 539 cartons * 15 pcs = 8085 pcs

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1. Working voltage: DC 12V2. Power: 5w3. Probes: 24. Language: English, Russian5. Scope of application: universal vehicle6. Display type: digital tube display7. Working temperature: -20-80 degrees Celsius8. Reminder Type: Voice9. Detection range: 500-800m10. Screen size: 2 inches11. Weight: about 300gFeatures:1. ANW full-band lidar (X/V, K, Ka, Ku, ST, CT, Laser, H, C, VG2)2. Real-time detection of radar signals3. Traffic light photo warning reminder4. Intuitive and bright display identification icons5. Real-time speed measurement display6. Fixed speed measurement, mobile speed measurement, real voice7. Intelligent frequency conversion, accurate anti-jamming radar identification systemSpecification: Package Weight One Package Weight 0.35kgs / 0.78lb One Package Size 15.5cm * 11.5cm * 4.5cm / 6.1inch * 4.53inch * 1.77inch Qty per Carton 84 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 84 pcs = 14868 pcs40HQ: 412 cartons * 84 pcs = 34608 pcs

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1. Temperature measurement range: -20-60 degrees Celsius2. Humidity range: 0-100 percent RH3. Detection probe: Integrated sensor4. Output type: relay output5. Output capacity: up to 10A6. Power supply voltage: DC 6-30V7. Suitable for opening size: about 7.5x3.95cm8. Weight: about 95 grams9. Appearance size: about 7.1x3.9cmFunction:1. Remote reading/setting of parameters: parameters such as start temperature/humidity, stop temperature/humidity, temperature/humidity, correction can be set through UART2. Real-time temperature/humidity reporting: If the temperature/humidity reporting function is enabled, the temperature/humidity and relay status will be detected at 1s intervals, and transmitted to the terminal through UART to facilitate data collection3. Relay enable (default on): If the relay enable is turned off, the relay remains disconnectedSpecification: Package Weight One Package Weight 0.11kgs / 0.23lb One Package Size 10cm * 5cm * 5cm / 3.94inch * 1.97inch * 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. One-key alarm, one-key monitoring, easy to use2. Commercial analog license-free walkie-talkie, with 4400mAh large-capacity battery, Type-C charging interface3. Sturdy structure and hard shell, resistant to drop and pressure4. Functions: channel switching, PTT, monitor, squelch level, TOT, scanning, CTCSS/DCS, voice prompt, power saving, battery voltage alarm, busy channel lock, high/low power switch, VOX, etc.5. Frequency range: PMR4466. Channel capacity: 167. Channel spacing: 12.5KHz8. Antenna impedance: 50 ohms9. MIC impedance: 2.2k ohm10. Frequency stability: +/-2.5x10-611. Net weight: 260g12. Product size: 225x56x38mmSpecification: Package Weight One Package Weight 0.74kgs / 1.63lb One Package Size 22cm * 25cm * 8cm / 8.66inch * 9.84inch * 3.15inch Qty per Carton 10 Carton Weight 8.85kgs / 19.51lb Carton Size 44cm * 25cm * 40cm / 17.32inch * 9.84inch * 15.75inch Loading Container 20GP: 606 cartons * 10 pcs = 6060 pcs40HQ: 1406 cartons * 10 pcs = 14060 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. Mounting size: 22mm 2. Color: Black + red 3. PBT material 4. Insulation resistance: > / = 2M ohms 5. Permitted Voltage: + / - 20% (AC 220V) 6. Brightness: > / = 100cd/m2 7. Electrical Life: 30000 hours 8. Dielectric Strength: 2.5KV (AC RMS) 9. CTI: > / = 100 10. Protection grade: IP65 11. Operating frequency: AC 50~60Hz 12. Dimensions: 5.0 x 3.6 x 3.6cm 13. Weight: 18gSpecification: Package Weight One Package Weight 0.04kgs / 0.08lb One Package Size 5cm * 4cm * 4cm / 1.97inch * 1.57inch * 1.57inch Qty per Carton 600 Carton Weight 13.70kgs / 30.20lb Carton Size 36cm * 36cm * 30cm / 14.17inch * 14.17inch * 11.81inch Loading Container 20GP: 685 cartons * 600 pcs = 411000 pcs40HQ: 1592 cartons * 600 pcs = 955200 pcs

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1. Power port: Type-C2. Output resolution: 1080P/60Hz3. Power supply: 5V/2A4. Receiver port specifications: HDMI/Type-C/VGA/3.5mm audio port5. Suitable for wireless screen projection of devices with high-definition HDMI interface output6. Support 5G/2.4G dual-band WiFi, high-definition video wireless transmission7. Wireless network: IEEE 802.11ac 2.4GHz/5GHz8. Plug and play, no software, no settings, no drivers required9. Note: The transmitter cannot be used alone and must be used with the receiverSpecification: Package Weight One Package Weight 0.33kgs / 0.74lb One Package Size 16cm * 14cm * 4cm / 6.3inch * 5.51inch * 1.57inch Qty per Carton 63 Carton Weight 21.79kgs / 48.04lb Carton Size 50cm * 44cm * 30cm / 19.69inch * 17.32inch * 11.81inch Loading Container 20GP: 404 cartons * 63 pcs = 25452 pcs40HQ: 937 cartons * 63 pcs = 59031 pcs

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