This extension cable is for CCTV systems with professional waterproof aircraft connector. It used to connect to vehicle electronic equipment, like mobile DVR systems, rear view systems etc. Environmental protection, shielding effect, and to good stability of signal transmission, Aviation plug to acid, alkaline, and oil, flame retardant, vibration resistance. 4 Pin with aircraft grade twist lock Connector Weatherproof. Double Shield cable. Applicable to Rear View Camera Systems. Ideal for Heavy Duty and Commercial Vehicles (Truck, RV, Van, Tractor, Trailer, Bus, Crane, Dirt Wagon, etc) . Model Number:4PIN Aviation Cable Application:For Car camera Car DVR Video Cable Gender:Male and Female Lengh:10M Pins:4PIN Colour:Black Material:PVC Package Contents: 1 * cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.