2.2" LCD Digital Sound Level Meter (Decibel Gage)
Good build quality very accurate - 1/2 inch electric condenser microphone - Manual or automatic sound level range - Batteries last long - Max Hold button - Auto power off - Battery low indicator - Frequency range: 31.5Hz to 8.5KHz - Measuring level: 30~130dBA 35~130dBC - Digital display: 4 digits Resolution: 0.1dB - Powered by 1*6F22 9V alkaline cells battery (Included)