Comprehensive and Considerate After-Sales Service? We hope every customer get a system they need and have a joyful experience, so if you need any help, please contact us, we are ready to assist you. DIY Parking Grid lines ?The B7 wired reversing camera can adjust the width of the parking grid line and move it to the left/right/up/down to make it fit your need to park safely. You can switch the parking grid lines with one click, which is convenient and quick. You also can press the SEL button to flip image. Easy Installation and Wide Compatibility?The B7 backup camera can plug into cigarette lighter/accessory circuit/ignition switch for constantly use and turn on/off manually or hard wire into reverse lights for automatic power up, even non-technical person can install it easily. It is universal for most vehicle license plate like Trailer/Truck/RV/Pickup/Van/SUV/Camper and so on. The B7 backup camera is a wired system, not a wireless system, but easy to hook up and there is no interference. Excellent IP69k Waterproof ? With IP69K waterproof design, even in rain /snow/dog day, you can see road condition clearly. This License Plate Backup Camera still work in extreme weather, provides clear image without delay. Night Vision & Wide Angle?Adopts Advanced Night Vision Technology, create lower noise and Illumination, wide view help you see things more comprehensively, provide clear and real image with a little light. Make your driving in dark more safe. Super HD Image Quality ?Reflect true and real time image, maintain original color, adopts the advanced optical design and remarkable image processing technology to provide 1080P resolution image for your vehicle. HD 7-inch IPS display monitor equipped with a suction cup mount, allows the monitor to be mounted on dash or windshield.