Digital Sound Level Meter GM1357 (30~130dB) .Noisemeter

Measuring Range	30~130dBA 35~130dBC
Accuracy	±1.5dB
Frequency Range	31.5HZ-8.5KHZ
Linearity Range	50dB
AC/DC Output	√
Auto Power Shut Off	√
Low Battery Indication	√
Over Range Indication	√
LCD Digit	5 Digits
Time Weighting Selection	Fast/Slow
Microphone	1/2 Inch Electret Condenser Microphone
Frequency Weighting	A & C
Frequency Weighting	√
Max Hold Function	√
Power	1.5V AA * 4 PCS(not included package)
Resolution	0.1dB
Sampling Frequency	2 times/sec