2.4G wireless rear view back-up color camera system with 2.5" TFT-LCD monitor Compared with only using the mirrors on your car, you can back up your car with more confidence with a clearer and wider view of what is behind your vehicle. Then most of accidents during back up will be avoided, especially to the children behind your car you could not be aware. Suitable for general cars No need for complex connect-wire layout, no drill, absolutely easy to install, you can Do It Yourself in few minutes without professional assistance.