Monitor the camera's 4-way, 8-channel What does it mean! The
4 Road, 8 Road refers not to monitor the camera, but the number of hard disk recorders. 4-way hard disk video recorders can take up to 4 cameras, 8-way hard disk video recorders can take up to 8 cameras, in addition to 16, 24, 32 and so on.
Fourth, and eighth, sorted by number
