Portable 1.5" LCD Digital Sound Level Meter - Grey (1 x 9V)
Color: Light grey - ABS material housing - 1.5" backlit LCD display - Manual or automatic sound level range - Frequency range: 31.5Hz to 8.5KHz - Measuring level: 30~130dBA - Accuracy: +/- 1.5dB - Sampling rate: 2 times/sec - Easy operation - Powered by 1 x 9V battery (not included) - Comes with English user manual