Reddit reviews URCERI Noise Decibel Meter with 35dB-135dB Digital Sound Level Tester, Max/Min/Hold Mode, Temperature Measurer, Large LCD Color Screen Backlit Display, Battery Included, Black & Yellow

ACCURATE MEASUREMENT: Measures from 35 dB-135 dB at frequencies 31.5Hz - 8KHz, accuracy of +/-2.0dB and a resolution of 0.1dBAVERSATILE READINGS: Supports Min/Max Data and Hold Data Function so you can see the minimum or maximum sound decibels, and it holds the data when it is necessaryCOLOR SCREEN DISPLAY: Easily check your readings from a large LCD color screen display, when the reading exceeds the range, an “OL” sign will show on the screenENERGY SAVING: Automatically shuts off after 15 mins of inactivity or you can disable the function based on your needsWIDELY APPLICABLE: Ideal for monitoring and testing noise levels at home, labs, factories, offices, theaters and for audio systems to see exactly how much you need to adjust for the surrounding sound