【Decibel Data Logger】The digital decibel meter can record 32000 groups data, the data logging function is compatible with Windows 10, 8, 7, Vista and XP.
【AC/DC Output】AC signal output: 4Vrms/ full barograph, output impedance is approx. 600 ohm. DC signal output: 33mV/dB. CE Certified & RoHS Compliant
【Bar Graph Display】The LCD digital display can shows a 3-digit decibel level values, Auto Ranging Bar graph level, time and date.
【Wide Applications】The decibel meter is handheld design and easy to carry, widely use for office, classroom, noisy neighbour ,environmental measurement,etc.