Rear View Camera Input with Parking Guide Lines An optional rear view camera enhances safety while backing up and monitoring behind your vehicle. Built-in, adjustable parking guidelines further add to its effectiveness. 3 Camera Inputs To enable a smarter driving experience, receivers featuring 3 camera inputs allow for the utmost in convenience, flexibility, and safety. With 3 camera inputs, you can connect a front camera, a KENWOOD dashboard camera (DRV-N520 sold separately), and a rear camera. Alternatively, 3 camera inputs support several other configurations, including the connection of 2 blind spot cameras and a reverse camera. Camera switching is　available using on screen controls and manual switchers .The KENWOOD CA-C3AV cable (sold separately) is required to use the 3rd camera input. Dash Camera Linkage with DRV-N520 Dash Cam ready receivers are compatible with the DRV-N520 Dash Camera. The camera records in full HD video capturing every event that occurs on the road ahead, and also provides safety features such as collision avoidance. All for a Safer Drive WHETRON Optional Advanced Camera / Sensing Solutions HD 2D/3D AVM Linkage 2-way touch communication with High Definition Around View Monitoring System made by Whetron. Effective Picture Quality : 1,280 × 720 HD Quality Mounting bracket and dedicated connection cable, ECU unit are included.Whetron, a Taiwan manufacturer was established in 1982 with a vision to become the leading supplier of automobile electronic parts for major car manufacturers around the world High Definition Display Breaktakingly Beautiful HD display delivers vivid colors with high-contrast and sharpness. Featuring an all-new electrostatic capacitive touch panel and HD LCD panel, with a high luminance white LED backlight. Convenient and Easy-to-Use Capacitive Touch Panel Provides a high contrast ratio, crystal clear display and vivid text. Easy to use widgets provide access to information screens with a swipe. Customizable Multi-Widget Screen You can customize your home screen by selecting four widgets. Depending on the model, widget options can include album art of current song, clock, compass, photo frame, visualizer, and more. Equipped with Dual USB Ports Play your music from one USB port and use the other to charge your device, or charge both at the same time. Direct OEM Steering Remote Control The receivers can be installed in most Japanese and Korean vehicles easily. Click here to learn more RGB Interface It allows to set up easily the third party's navigation box.