6pcs Security Mic Microphone Sound Monitor Voice Audio Tiny Pick up
6 x DC 6~14V Sound Pick-up Surveillance w/Microphone Sound Monitor Voice Audio


Features:
Monitoring coverage: 50~120m
Output Impedance: 600O
Frequency Range: 50 ~ 13Khz 
Power Supply: 6 ~ 14VDC
The installation of hidden
high sensitivity
Power polarity protection circuit


Package list:
6 x Audio Tiny Pick up