Wall-mounted noise decibel meter

Wall-mounted noise decibel meter
Measuring range: 30~130dB
Accuracy: 1.5dB (based on standard sound source, 94dB@1KHz)
Frequency response: 315Hz~8.5KHz
Frequency weighting: A right
Response time: FAST (fast)
Microphone: 6mm condenser microphone
Digital display: 3 digits
Resolution: 0.1dB (<100dB) 1dB (> 100dB)