![Digital Noise Meter](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)
Product Name: SW-525B Sound Level Meter, 30 - 130 dB High Precision, Alarm Function, Data Storage, USB Power 9.6 inch LCD Digital Noise Measuring Instrument, Wall Mounted, Factory, Laboratory, Hospital, Office
Description: The sound level meter is a versatile device that measures sound intensity in an acoustic environment (loud or soft sound).High pitch, low pitch, intermittent or continuous.This meter can be used to measure the noise in a variety of situations, such as factories, offices, homes, traffic routes, acoustics, air conditioners, refrigerators, etc.You must test and do the surround sound system.