FMONH Digital Sound Level Meter - LCD Noise Decibel Monitor Tester with 30-130dB Range, Battery Included - Perfect for Home, Office, and Industrial Noise Measurement

Technical index: Sound pressure accuracy: ±1.5dB Sound pressure frequency response: 30Hz~8KHz Sound pressure dynamic range: 50dB Sound pressure measurement range: 30~130dBA, 35~130dBC Sound pressure frequency weighting characteristics: A and C characteristics Sound pressure dynamic characteristics: FAST 125ms, SLOW 1sec Microphone: Polarized condenser microphone Power supply: 1.5V*4 (AAA) battery Weight: 190g Product size: 193*60*29mm/7.59*2.36*1.41in