B07HF2S517 Haloview MC5101 Digital Wireless Backup Camera System Kit 5” LCD Reversing Monitor and IP69K Waterproof Rear View Camera for Truck/Trailer/Bus/RV/Pickups/Camper/Van/Farm Machine Car

10-32V wide voltage input,4 wireless camera input,120° wide viewing angle (Buy an extra camera, find the link: https://www.amazon.com/dp/B07BWP9XCP)
Low-power function. If wireless camera is not connected to monitor for 30 seconds, the camera will enter low-power mode , this function can save power by turn off the monitor when you are using battery

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