1.Multiple functions are measured in real time.Polarized capacitive microphone.Short response time strong anti-interference ability more accurate data acquisition

2.Digital Sound Level meter.Polarized capacitive microphone responds quickly to large screen digital display .Multiple functions are measured in real time

3.Fast / slow dual measurement mode.FAST / SLOW time input , one-key switch

4.Detachable battery compartment designThe rear cover can be detachable battery compartment , easy to change

5.LCD HD backlight digital display.Black and white screen digital display large font reading clearly visible