The audio microphone easily connects to audio cables up to 500 feet long giving you plenty of length for an easy installation with no loss of quality. You can connect the audio cable 2 in 1 or 3 in 1 to your microphone generating the clearest sound with your system. You need to protect them from rain or snow and they work fine.
Not include any power adapter, DVR, BNC cable and camera
Plug and Play
Power supply: DC 6V - 12V
Work Current: 10mA
Frequency response: 300 - 5500Hz
Item model number: 015/US
Package Contents: