Accuracy
±1.5dB (Based on standard sound source, 94dB@1KHz
Dynamic scale gear
30-130dB
Working temperature and humidity
0℃-40℃ 10%-80%RH
Frequency range
31.5Hz-8.5KHz
Battery
600Mah/3.7V lithium battery
Storage temperature and humidity
-10℃-60℃ 10%-70%RH
Measurement Range
30~130dB