Wireless Tow Bar Specifications. [WIRELESS] Up-to 65 Ft. of Range, Connects via 4-pin Trailer Plug - Attaches via protected magnet base. Wireless: RANGES UP-TO 65 FEET IN DISTANCE. [SIZE] Compact Design 5" x 2" x 8" (LxWxH), Enclosed Sealed Polycarbonate Lens Reducing Condensation and Corrosion.