4-in-1 Decibel Meter - WiFi Wall Mounted Sound Level Meter with Digital Clock, Temperature & Humidity Reading - 11 inch Large LED Display - Noise Decibel 30-130 dBA
[4 in 1 Meter] With this meter, you will get a noise meter, thermometer, hygrometer, and clock, which provides convenience for your work and life. Designed with 11 inch LED screen, the brightness is adjustable.
[ Function] The device supports 2.4G , and can be connected with your mobile phone connects through and for tuya APP. All data and historical data can be viewed from APP via mobile phone.
[Easy Charging] This decibel meter has a built in 2000mAh lithium battery power supply, and comes with a 10ft USB charging cable, you can easily.
[High Accuracy] The sound level reader uses smart air semiconductor sensor to test the decibel, temperature and humidity value, which is more sensitive, accurate and stable.
[Adjustable Design] Not only can the screen brightness be adjusted, you can also adjust the speed of detection. Double click M key to adjust the time.