Any combination of cameras (Color or Black & White) can be monitored by a single TV, Monitor! Simply plug your cameras into the back of our switcher (4 or 8 Camera capable), and then plug into your TV or Monitor and you're set! Features include an Auto-Switching mode (camera rotation) that rotates between cameras. Turn the Interval knob right or left to speed up or slow the camera rotation process which ranges from 1 - 15 seconds between views. Or merely flip a camera switch to stop the rotation process and view that camera in full screen. These Switchers include either 4 or 8 Video inputs and one Video output (no audio). Power and RCA cables included. 1 Year Warranty Select model above!