?INSTALLATION INSTRUCTIONS? We have improved the stallation instuctions by adding more details, if you have any qustions about installation or need help to install it, please ask WOOCARTY for help, we are willing to send you the updated instructions and ready to assist you at any time!. ?IMPORTANT INFROMATION? Wireless means there have no cable between the cameras and the monitor. But the cameras and monitor need to be connected to a power source to get power for working. Compared with the wired system, the wireless system transmits the footage captured through a wireless signal instead of cables. To make the installation more convenient and time saving. ?Full Accessories & Worry-free Service? The package includes all the accessories for easy installation, like the 12 volt female connector and windshield suction cup mount/fan shape bracket for monitor mounting, please check them when received the item. In addition, if you have any questions about WOOCARTY products, please find us directly, we are ready to assist you at any time!. ?IR Night Vision & Loop Recording? The IR light will turn on automatically in the dark Environment. You can see the objects within 60 feet clearly. With wide view angle, high-resolution sensor and 6 glass lens ensure high-definition and smooth image quality! Buit-in loop recording function - with the included 32GB SD card, the wireless rear view camera will automatically overwrite the oldest recorded video when the memory card is full. ?Easy Wireless Installation? Wireless means there is no wiring between monitor and cameras, they transfer the images via wireless signal instead of cables. But they still need to connect to the power source to get power for working: ? Power the monitor by the included cigarette lighter or Fuse box, ACC, Radio, Ignition switch ? Connect the camera to continuous power source like Tail light/Running light/license plate light for monitoring, or connect to backup light for reversing only. ?Single/Dual/Quad Split Display? With the split screen function, you can add more cameras as you need, so that you can view images from different cameras simultaneously. For this system, you can mount 4 cameras on your RV/Truck: One camera on the front, and another on the back. For 2 side cameras, just mount one on the left and one on the right. They can help to reduce the blind spot effectively, as well as a good helper for backing up. ?Upgraded 10.1 Inch Large Screen? WOOCARTY wireless backup camera kit is specially designed for large vehicles, like RV Truck Trailer Bus and so on. Adopts advanced digital wireless transmission technology, presents stable and high-definition images for reversing or monitoring. It could delivers a stable image without any interference from other wireless signals, like Bluetooth, radio or cellphone. Outside dimensions of the monitor is 10.1*6.69 inches.