Usage Tips: Product Description: 100% Brand new never used Wireless Transmitter&Receiver Item's color might be different from the picture because of the aberration. An advanced wireless module that enables normal reverse camera to become wireless Easy to install and operate. Wireless 2.4GHz transmitter/receiver set (12V for vehicle installation) Work range: up to about 50m(Hollowness) Fit all RCA composite video connections Input: DC 9-14V Adjust the angle: 170 Video output: PAL / NTSC composite video signal Transmitter/Receiver cable length: approx. 1.3m How to Install a Camera with the Wireless Module 1.Take out your stock license plate light at the back of your car. 2.Fix the camera to where the stock license plate light was. 3.Connect the built-in license plate light of the camera to where the stock license plate light was connected to get the power. 4.Connect the wireless module (transmitter) to your camera via the two cables - one plug for AV output and one plug for power. 5.Connect the wireless module (transmitter) to the reverse light of your car to get the power - red wire for positive and black wire for negative. 6.Connect the wireless module (receiver) to your car monitor - yellow plug for AV input. 7.Connect the wireless module (receiver) to your car battery or cigarette lighter to get the power - red wire for positive and black wire for negative. 8.You will see the images on monitor or DVD when your car is in reverse shift. Package Contents: 1 x Wireless Transmitter 1 x Wireless Receiver Note: This set is not suit for bus or truck. And this module is for in-car monitor or DVDnot for GPS.