GBSELL Wireless Transmitter Receiver For Car Reverse Rear View Camera Monitor 2.4GHZ Wireless Transmitter&Receiver; Easy to install and operate. An advanced wireless module that enables normal reverse camera to become wireless! Item's color might be different from the picture because of the aberration. Wireless 2.4GHz transmitter/receiver set (12V for vehicle installation) Operating Voltage:12V; Work range: up to about 30m(Hollowness); Fit all RCA composite video connections