Carmedien Rearview Camera Switcher cm-VS1 Switching box for 2 cameras Twin Double Backup Cameras Front camera 2x input 1x output

["The video switcher CM-VS1 combines two video inputs into one video output with automatic switching.", "It has a switch pulse cable, if there is a voltage of +12V on this cable (e.g. from the reverse light), the switcher automatically switches from the 'Video-In' input to the second 'R-CAM-IN' input.", "2x RCA jack Video-IN and 1x RCA plug Video-Out", "Perfect for connecting a twin double reverse camera or a front camera and reverse camera to just one video input.", "Watch a video here for connection and operation: https://youtu.be/OwMMIno__6g"]