§ fidelity low noise processing chip
§ imported microphone suppress ambient noise
§ small sensitivity can be adjusted
§ Car DVR dedicated
§ Built-in noise reduction processing circuit
§ polarity protection of power supply regulator circuit

5 to 80 square meters
Impedance 600 ohms
Frequency of 500 ~ 8Khz
Power 9 ~ 14VDC
Size 39 * 31 * 18mm
Suitable for most car DVR device, Rui Ming