Any combination of cameras (Color or Black & White) can be monitored by a single TV, Monitor or VCR! Simply plug your cameras into the BNC ports on the back of our switcher (8 Camera capable), and then plug into your TV, VCR or Monitor that accepts BNC or RCA Video Input. Features include an Auto-Switching mode (camera rotation) that rotates between cameras. You can flip a camera switch to stop the rotation process and view that camera in full screen. Offering 8 Video BNC inputs and 8 Audio inputs (RCA connections) and one Video and Audio Output. This unit is powered directly by 110V, no additional power supply required.