Product S/N:120309002
Spec:sound pickup
Product Memo:3 lines
Product Class:99.CCTV Accessories
¡ì can be concealed installation
¡ì dedicated preamplifier IC
¡ì high sensitivity listen
¡ì low noise, low distortion
¡ì power polarity protection circuit
¡ì Connection of DC + RCA
50 to 150 m2
Impedance 600 ohms
Frequency of 200 ~ 10Khz
Power supply 6 ~ 14VDC
Size 7 * 39mm
For HaiKang, Dahua DVR device