Magnetic Solar Wireless Backup Camera High Definition with 7in IPS Rear View Camera Display Screen for Trucks RVs Trailers Cars Item Type: Solar Wireless Backup Camera System Material: ABS + Metal Camera Battery Type: Lithium Battery,Battery Capacity: 10200 mAh (Built in Battery Supplied) Working Voltage for Backup Camera: 5V ≥300mA Working Voltage for Display: 10V-35V ≥800mA Display Functions: Pairing, Picture, MIR FLIP, System, Play, Record DVR Recording: With Built in DVR Recording Function, Maximum Supported 512G Storage Card (not included) Display Supports 2 Wireless Camera Connection: This display has TWO wireless channels, can add two cameras to this display as front view, rear view or left and right side view, providing a safe driving environment. Installation Type: Strong Magnetic Base Installation Daytime Continuous Working Time: 30h Low Power Consumption: Energy Saving Control Function Screen: 7in IPS HD Display Display Supports: Both Single or 2 Way Split Screen Display Recording: 2CH Separate Recording Waterproof Level: 1080P Wireless Camera, IP69 Waterproof Wireless Transmission Distance: 328-1640ft / 100-500m (Interference Free)