Adapts a 7 way trailer hitch used for RV and boat towing to a 4 flat connection.Coiled cable stretches at least 4.5ft long, which provides sufficient space for towing vehicle and trailer. Note: The designed length of this coiled cable is 4.5ft(60 inches), but the usable length should be about 36 inches.With the function of connecting running lights, left turn and brake signal, right turn and brake signal. Plated terminals, abrasion resistant. The coiled cable makes it more durable than others.Compact design between the wire and plug, well protect the adapter from the dust and water, for long service life.Easy installation and plug in use, fit for most boat, trailer and RV towing. Note: Before purchasing, please confirm whether the length of the cable and the plug are suitable. Product Description Easily adapter any popular vehicle wiring system to your trailer. 7 WAY Blade Copper Pins Good conductivity and compatibility 4 WAY flat Female Connector For trailer plug Sealed Connection Weatherproof, protect the wires from the dust and water Flexible TPU coiled cable Constructed with the flexible TPU coiled cable to protect the wires, strong and durable, effectively weatherproof Specification: Material: Plastic, MetalColor: BlackPin Number: 4Total Length: 4.5ftWire Thickness: 7.5mm / 0.30"7 Way Connector Size: 8.4x6.5cm / 3.31"x2.56"(L*W)4 Pin Connector Size: 8.2x5.7cm / 3.23"x2.24"(L*W)Width: 8cm / 3.15" Package Includes: 1 x 7 Way to 4 Way Trailer Connector1 x Product Manual Waterproof