Professional sound level meter Wide measurement range: 30-130 dBA, fast response.Super AccuracyThe Decibel Display comes with a sponge ball (windscreen) to ensure the accuracy of test data within a certain wind speed range, and can play a protective role for sound level meter. The sound level measurement performance is stable and reliable.Clear LCD Screen Precision Pulse Sound Level MeterBacklit LCD screen, clear reading, easy to use at night. It has Min./Max./Data Hold function and OVER warning signal for off-road measurement.Practical designThe half meter has a tripod mounting hole, which can be placed on a stand, this which makes it easy to measure when you're busy. And there is a low battery indicator, manual/automatic shutdown.Portable Sound Level Meter: Small and easy to use, suitable for sound quality monitoring in children's rooms, offices, homes, schools and construction sites, etc.