1080P HD Images – The upgraded cameras make the images clearer, making our travels safer and easier. The wired backup camera system will never have image delays or signal problems. IP69 Waterproof – The reversing camera eliminates the infrared light and uses advanced “lightless night vision” technology to display color images at night. Suitable for use in all environments for clearer, more vivid images. 4-Channel camera for truck RVS, using it will provide more safe driving with extra eyes on the back and sides of the truck. Flexible Vehicle Adaptability – voltage range from 9-35V DC to fit various large vehicles such as semi-trailer/box truck/fifth wheel/trailer/bus. Good Service – Installation manual is included in the package. If you find that the product is not up to standard or you need another length of cable, please ask us for assistance. Note: This is a wired connection system!