【4 IN 1 MULTIFUNCTIONAL DECIBEL MONITOR】With this classroom noise level monitor, you will get a noise meter, thermometer, hygrometer and digital clock, which provides convenience for your work and life. It adopts air semiconductor sensor to test the decibel, temperature and humidity value, it is more sensitive, accurate and stable, allow you to see the real time decibel level clearly. 【11 INCH LARGE LED DISPLAY】This sound and noise meter is designed with 11 inch LED screen, the brightness is adjustable, so that you can effortlessly read it throughout the day. Not only can the screen brightness be adjusted, you can also adjust the speed of detection. Double click M key to adjust the time. A great tool for checking, monitoring or controlling the sound level of any environments.
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