Digital wireless two-way video transmission system suitable for port operation vehicles, cranes, harvesters, and vehicle-mounted equipment. 7 digital wireless transmission of video signals. Strong anti-interference ability. High image clarity. Wireless open video transmission distance can reach 100 meters. No wiring installation, simple and convenient. Display working voltage DC9-24V. The display has a built-in 2.4GHz digital wireless video signal receiver, anti-load-dump pulse voltage design and protection circuit. The camera has a built-in 2.4GHz digital wireless video signal transmitter. The camera is IP67 waterproof, with infrared night vision function, and the working voltage is DC9-36V. Products are used in buses, long-distance buses, school buses, agricultural tractors, heavy trucks, rail transit vehicles, 1 * Vehicle-mounted display 1 * Camera 2 * Antenna 2 * Power cord 1 * Mounting bracket 1 * Cigarette lighter 1 * Controller only included The above packaging contents do not include other products. Note: Lighting and different monitors may cause the color of the item in the picture to be slightly different from the actual item. The measurement allowance is +/-1-3cm.