This is an advanced wireless module for car reverse camera that enables normal reverse camera to become wireless! This listing is for the wireless module only.only can use one camera
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 monitor - yellow plug for AV input.
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
You will see the images when your car is in reverse shift.

Please note that this module is for in-car monitor or DVD, not for GPS.

package:
1*wireless receiver
1*wireless transmitter