Specification: Model: VC834AMeasuring range: 30dB-130dBAccuracy: ?? 1.5dB (based on standard sound source, 94dB@1KHz)Frequency response: 31.5Hz-8.5KHzFrequency weighting: AResponse time: FAST (fast), about 2 times per secondSensor type: 6mm condenser microphone sensorDigital display: 3 digitsResolution: 0.1dB(<100dB); 1dB(>100dB)Alarm prompt mode: sound + displayAlarm output: 5V high levelRefresh speed: 2 times per secondPower supply mode: DC5V1A Micro USB interfaceWorking temperature and humidity: 0~40?? 10%~80%RHStorage temperature and humidity: -10~60?? 10%~70%RH Package included: 1 x Decibel Meter 1 x Manual1 x USB cable1 x Charger1 x Wall hook1 x Packing box Details Pictures:
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