Wireless Transmitter Receiver Module Kit for Car GPS Reverse Rear View Camera EA Features: 100% Brand New. Color: Black This is an advanced wireless module for car GPS reverse camera that enables normal reverse camera to become wireless! This listing is for the wireless module only. Notice : this device is not work for bus or truck How to Install a Camera with the Wireless Module Take out your stock license plate light at the back of your car. Fix the camera to where the stock license plate light was. Connect the built-in license plate light of the camera to where the stock license plate light was connected to get the power Connect the wireless module (transmitter) to your camera via the two cables - one plug for AV output and one plug for power 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 Connect the wireless module (receiver) to your car GPS - USB for G...