"The Ultra-Tow Electric Trailer Jack is a fast, easy and practical way to hitch and level trailers with A-frame couplers. 12V, 7-way connector plugs into your vehicle connector to let you lift or lower the jack with the push of a button, no hard wiring required. Includes remote control. Crank Type Electric, Ground Support Foot pad, Jack Tube Size in. 2 1/4, Mount Height in. 8 1/2, Mount Type A-frame round plate, Jack Type Electric, Clearance Bracket to Jack Top in. 32, Drop Leg Travel in. 5, Length of Travel in. 24, Length Extended in. 49 1/2, Length Retracted in. 31 1/2, Lift Capacity lbs. 3,500, Support Capacity lbs. 3.500. 3,500 lbs. of lifting power handles a wide range of trailers Fits 2 1/4in. mounting holes 31 1/2in.-49 1/2in. jack height range Adjustable, oversized foot prevents divots Weather-sealed switch with manual crank override operates in almost any conditions Built-in leveling gauge and LED light for easy night hookups"