Elinz Metal Mounting Bracket + Heavy Duty Trailer Cable Coil and 4PIN Connectors 1 AV Input SKU: CBLTRAILER-BRACBLTRAx2 Heavy Duty Trailer Cable This industrial-grade shielded spiral hitch cable is suitable for 5th wheel, Truck Trailer, Semi Trailer, Caravan and Horse Float.With PVC insulation and sheaths to withstand repeated flexing. With excellent recoil memory, anti-kink and abrasion resistance. 100% Copper Conductors Made with high quality pure copper conductors for higher conductivity and stable signal transmission Weatherproof Plug Socket The trailer cable connectors are made from high quality aluminum alloy to provide durable, secured, waterproof and reliable connection. Coils cables comes with built-in spring loaded covers Universal Fit Will fit all 4 PIN aviation vehicle camera systems High Elasticity This Coil Adapter cable can extend from 2 meters to 4meters to avoid breakage and protect your camera system 7 PIN metal connector Coil Adapter cable with 7PIN male and female metal connector