This wireless backup camera system is designed for trucks, RVs, trailers, and other large vehicles, combining a magnetic solar-powered camera with a 7-inch HD monitor for flexible, cable-free installation and wide rear visibility. Stable Wireless Signal With Dual Antennas : Dual-antenna design and updated digital chip provide reliable wireless transmission with a working range of up to 328 feet, suitable for RVs, trucks, trailers, campers, buses, tractors, vans, fifth wheels, and agricultural equipment. 7-Inch HD 1080P Monitor With Split Screen : Features a 7-inch high-definition display with support for full-screen and dual split-screen viewing, delivering clear visuals for reversing, parking, or driving. Rechargeable Solar-Powered Camera : Built-in 9900mAh rechargeable battery supports both solar charging via a 6W panel and wired Type-C charging. A full charge provides extended operating time for daily driving or long trips. Tool-Free Magnetic Installation : Strong magnetic base allows quick attachment to metal surfaces with no wiring, drilling, or permanent mounting required, making installation fast and removable as needed. Screen Size : 7 Inches. Installation Type : Butterfly Mount. Power Source : Rechargeable Battery With Solar And Type-C Charging. Viewing Angle : 170 Degrees. Built-In Media : Camera And Monitor.