Shinwa Sokutei Digital Sound Level Meter 78588

Size: 185×63×35mm Weight: 150g (including battery) Measurement range: 30dB~130dB Frequency: Response/31.5Hz~8KHz, Characteristics/A/C switching Minimum display (resolution): 0.1dB Response speed: FAST (125ms), SLOW (1s) Measurement range: 30dB~70dB, 60dB~100dB, 90dB~130dB Accuracy: plus or minus 1.5dB (94dB, at 1KHz) Power source used: 1 9V dry battery (the included battery is for monitor use and may have a short lifespan) Humidity: Use/0~40 degrees, 10~90%, Storage/-10~60 degrees, 10~75%