? Please note that the system transmits the camera image to the monitor via a wireless 2.4GHz signal. There is no cable between the camera and the monitor, but the camera and the monitor need power cord to get power and work, which saves yourself the trouble of charging and provide convenient and safe monitoring for your travels. Support?Any questions please get in tough with us via our service email in the instruction, we will do what it takes to help and hope you are happy with our service and product. Easy Installation & Wide Application?Wire camera to running light / tail lights/reverse lights to observe, Cigarette Lighter/ACC/Fuse/Radio can power monitor, Just connect power source and install antenna, you can start to use. Accommodate a large variety of vehicle as RV/Camper/Truck/5th Wheel Trailer/Bus/Van/Pickup. Night Vision & IP69 Waterproof? Infrared Light and CCD Sensor accurately identify lawns, lakes, and stones even in the Dark. Closed with a Metal Gel, still work for you even at Rain /Snow/Fog, provide you all day intimate monitoring. Side View Wireless Backup Camera & Recording?Built-in 32G SD card, can record thing on driving, Side View Camera fits the side better and cover the Blind Spots/Blind Zone. Support Single View Dual View or Quad View(CH1/CH2/CH4), you can switch to the mode you need. FHD1080P Capacitive Touch Button Monitor? Ensure the sensitivity, stability, and reliability of the screen, FHD 1080 resolution, give you a unique visual exerience, and have strong anti-interference capabilities and strong adaptability to temperature ranges, prevent water get inside through Button. The package come with a suction cup mount that you can use to mount the screen on the window. Upgrade Digital Wireless Signal? Adopt HDCVI 4th Generation Digital Signal, 110ft anti-interference no delay, applicable for vehicles within 65 feet vehicle(12-24V), give you a stable and clear monitor of road condition, be your reliable assistant.