Feature：

Auto Off Feature and hold function
Fast and Slow dynamic characteristics modes
Max locked function has the maximum value， easy to use
Instantaneous sound measure function
AC Analog Signed Output for analyzer
Auto power off function， Low battery indicator， Overload prompts

Item Description：

Color: white
Dimension: 145 x 50 x 35 mm
Sound level: 30 - 130 dB
Accuracy: ± 1.5dB (under reference condition)
Measuring level: 40 -130dBA， 40-130dBC
Frequency range: 31.5 Hz - 8.5 kHz
4 digits LCD display with backlight
Self calibration Time: 3 seconds
Sampling rate: 2 times/second
1/2" electret condenser microphone
Power: 6F22 9V battery ( not included )

Package Content：

1 x Noise level meter
1 x English user guide