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DECIBEL METER 30-100 DB

Measurement range : 30~130dB, Resolution : 0.1 dB, Accuracy : ±1.5dB
LCD Display with Backlight & Torch.
Overload Indication. : < 30dB (UN Display), >130dB (OL Display)
½ inch Electret Condenser Microphone Sensor.
Response Type : Slow(1000ms), Fast(125ms)