[7 inch LCD screen] 173mm x 115mm color LCD screen, supports 2-channel video input, brightness, contrast and color are adjustable, and the image can be rotated horizontally and vertically to meet your different visual needs 【2 x Wireless Backup Cameras】2510Hz & 2370Hz, 18 IR LEDs, IP67 maintenance-resistant night version, 120° wide viewing angle, no guide lines, changeable at an ambient temperature of -30℃ to 75℃. You can still enjoy driving 【Easy to install】No wiring required via ACC. Simply power on the screen from your car's cigarette lighter, avoiding the hassle of disassembly and wiring. Also equipped with a power cord to meet different needs 【Wide Compatibility】: 12V-24V power supply. Suitable for cars, RVs, trucks, buses, caravans, buses, campers, trailers, motorhomes and more. This reversing device is only suitable for "AV2". After connecting the line, press the second button on the screen to debug. When "A2510" and "A2370" appear, the corresponding images will appear Package