Camecho NEW 2.4G Wireless Color Video Transmitter and Receiver for The Vehicle Backup Camera Front Car Camera Camecho 100% brand new Wireless RCA Video Transmitter & Receiver Kit for Car Rear View Camera Note: It should connect to 9V / 12V power. Receiver/transmitter signal range: 15-20M (open areas without other strong signal interference, it will far away) Wireless RCA Video receiver / transmitter; avoid complicated wiring, to be used with in-car monitor, backup system. Only when you pull reverse, monitor will automatic show backup picture. You could connect all parts to constant power or 12V battery, monitor will show picture full time. Easy to install: the receiver connect to monitor. The transmitter connect to rear camera. Customer service:30-Day Money Back Guarantee, 6 Month Replacement Warranty. If you have confusion, please contact us via the route ( Click the sold by camecho, then find ask a question and click it)