SMART SENSOR Mini Digital Sound Level Meter LCD Display Noise Meter Noise Measuring Instrument Decibel Tester 30-130dBA

Features:
Mini digital sound level meter with stable and reliable performance.
Wide measurement range from 30dB to 130dBA.
Fast and slow sampling rate for choice: 125ms or 1s.
Data hold function, maximum and minimum value measurement.
LCD display with backlight, convenient to use at night.
Low battery indication, automatic manual power off function.
Compact and light, convenient to hold and carry.
Equipped with sponge ball for sensor protection.
NOTE:
When measuring under MAX mode, the meter will only display the value greater than the current value; when measuring under MIN mode it will only display the value less than the current value.