This is the iBeam TE-CEX20 4 pin DIN Extension Cable.
It is 20 meters in length (65.60 feet) and supports up to 720p resolution (works with 720p 4 pin DIN connector style cameras).
Installing 4-Pin Din cameras on a large, commercial vehicle? iBeam's Commercial 4-Pin Din 20 Meter Extension Cable will help extend the length of your camera cables to connect audio, video, and power another 65.6 feet (20 meters).
Specs:
Extension cable for commercial cameras
65.6 feet (20 meters) in length
Supports up to 720p HD - Does not support 1080p HD