The decibel limit of 80 @ 300 ft away is only for the entertainment district, but the city was using […]

【Affordable 3-in-1 Multifunctional Sound Level Meter】The HT602A sound level meter is designed to the needs of most consumers, with the […]

About this item 【Accurate Measurement】 The measuring range of the sound level meter is 30dB to 130dB . Highly accurate […]