Monitor the camera 1 road 4 what is the difference
Camera regardless of a few road, only the video recorder was divided, four representatives can take four cameras!
Very simple This is for the camera's hard disk video recorder to the general are at least 4 Road 8 Road 16 Road 32 Road, a camera all the way, there are 16 points can be connected to 16 points is 16 cameras.
