Range:A envirement noise:40~130dB
C machine noise:45~130dB
Resolution:0.1dB
Accuracy:±2dB (ref 94dB @1KHz)
Response time:FAST/SLOW
Frequency range:300~8000Hz
Display:4 digit LCD bar
Signal output:AC/DC
AC:0.707Vrms
Working/storage temperature:0℃ to 50℃ < 80% R. H.
-10℃ to 60℃ < 70% R.H
Size:72 x 182 x 30mm
Weight:150g
Power supply:9V battery