Installation of AHD Spy or hidden CCTV cameras. How to connect spy or hidden cctv cameras to a DVR. How to connect the video BNC connectors of the hidden cameras. How to connect the power cables or terminals of the hidden or spy cameras.
1. Yes, you can use a multichannel power supply unit installing these cameras, especially when you are installing many of them. 2. You can record voice from these cameras since the cameras come with inbuilt microphone. 3. They do not have night vision ability since there are not infrareds around the cameras.