Military grade monitor aspect ratio 4: 3.1 or better 3 CVBS inputs, physical brightness control, the ability to output to the monitor 1 camera, 2 cameras, 3 cameras and picture in picture between camera 1 and camera 2. It is desirable to have controlled parking lines, like in cars when driving backwards. Operating temperature -40...+ 60 degrees Celsius, shock and vibration resistant, waterproof, IP65 performance, or better IP67.