4 in 1 Decibel Meter Wall Hanging Sound Level Meter with Noise, Time, Temperature, Humidity Display, 30-130 dBA, Color LED & Rechargeable Noise Meter for Classroom, Home, Studio, Factory

【4 IN 1 Multi function Decibel Meter】This decibel meter can monitor sound, time, temperature and humidity indicators simultaneously. Sound Level Measuring Range: 30-130dBA. High accuracy: +/-1.5dBA. Temperature Range: 14-122°F; Humidity Range: 20-85%
【Color LED Screen】The instrument uses an 11-inch LED color display with adjustable brightness, which is perfect for hanging on the wall, beautiful and easy to view. Not only can you adjust the screen brightness, but also the sampling speed
【Rechargeable Noise Meter】The sound level meter is powered by a 2000mAh lithium battery. Rechargeable design, safer and more durable. A charging cable is included so you can conveniently charge it via USB at any time. (Note: it is recommended to use it plugged in)
【Easy to Use】This decibel meter is easy to use and operates with only 4 buttons. Also, the steps to mount it on the wall are very simple. Find a suitable location and paste the positioning sticker, then drill holes according to the prompts, tighten the screws, hang the noise meter and turn on the power
【Wide Applications】This lightweight decibel meter can be hung on the wall or placed on a table and is the ideal noise decibel meter for testing sound levels in classrooms, studios, main traffic routes and factories