Upgraded Wired Backup Camera System: This wired backup camera system includes a 7 inch monitor and 2 wired backup cameras. The system features 10G high vibration resistance, suitable for large vehicles such as farm tractors, combines, cotton pickers, farm sprayers, bulldozers, trucks, RVs, trailes, skid steer loaders, snowplows, forklifts, excavators, heavy equipment,etc. Suitable voltage range: DC 12V-24V. 7" HD 1080P Monitor: The 7" screen can display images in HD 1080P resolution with a clearer detail view. You can insert a memory card(not included) and then the system can be used as a dash cam with video recording capabilities. Supported memory card types: 32GB128GB Micro SD card. Monitor size: 7.3(W)*4.5(H) inch. Rear Camera size: 2.3(W)*2.5(H) inch. Dual-Split Monitor with P-Line: The rv backup camera system supports up to 2 cameras, which could be setup for single / dual screen for the cameras monitoring at the same time. Features parking guide lines for eas