LotFancy Decibel Meter Reader/Digital Sound Level Tester, Measurement Range 30dBA -130dBA, Accuracy within +/-1.5dBA, Max/Min Hold Function, Large Backlit LCD Display, Batteries Included Measuring Range: 30~130dBA ; +/-1.5dB Accuracy with 0.1dBA Resolution Max and Min sound level tracking, Data Hold function Fast response and LCD backlight display with large, visible numbers 3 x AAA batteries included; Battery level display and auto power off function Compact decibel meter fits comfortably in the palm of your hand