Kommii 2.4G Wireless Color Video Transmitter and Receiver for The Vehicle Backup Camera/Front Car Camera Wireless RCA Video Transmitter & Receiver Kit for Car Rear View Camera Wireless RCA Video receiver/transmitter; avoid complicated wiring, to be used with in-car monitor, head unit, DVD player and camera, etc. Receiver/transmitter frequency: 2370MHZ AV IN/OUT: PAL/NTSC composite video signal, RCA jack Receiver/transmitter distance: 100M (in jam-free open areas)