Fdit Sound Decibel Meter, Lcd Digital Audio Meter Level Noise Monitor Db Measurement 30 To 130 Max Data Hold Function

Fast/Slow sampling: free response selection, press the button to perform even fast 125ms and slow 1 second response rate for higher accuracy. 30~130dB measure range: provides the accurate data of the sound level in your surrounding. LCD backlight display: provides clear and easy reading even in the darkness. Min/Max function: allows you to take note of the minimum and maximum sound decibels in your surrounding at any given time frame. 1/2 inch condenser microphone, can withstand one meter landing impact.