Product S/N:120308235
Spec:sound pickup
Product Memo:Microphones waterproof
Product Class:99.CCTV Accessories
¡ì Compact sensitivity can be adjusted
¡ì Senior microphone suppress ambient noise
¡ì independent broader mining tone into the audio port
¡ì Built-in noise reduction processing circuit
¡ì power polarity protection circuit
¡ì Waterproof external microphone design
20 to 80 m2
Impedance 600 ohms
Frequency of 200 ~ 10Khz
Power 9 ~ 14VDC
Size 39 * 31 * 18mm
For HaiKang, Dahua DVR device