Atwood Power Jack makes hooking up a trailer hassle free. The patented design and convenience of push button operation take the physical exertion out of cranking a trailer up or down. Simply push the button to quickly and effortlessly raise or lower the trailer into position with complete control. The Power Jack cannot change position until powered, giving you complete control over jack and trailer movement at all times. The Power Jack is not affected by temperature variations, providing solid, consistent performance regardless of the weather. The heavy-duty 2-3/16" tubing on the Power Jack plus sturdy footpads provide for greater trailer stability. The rugged 12VDC electric gear motor easily lifts heavy duty loads. The motor is protected by a high-density, new white, polyethylene cover designed for durability and aesthetics. 3500 Heavy Duty features: * New extended travel (up to 19 inches) * Up to 3,500 lb. capacity * Made in the U.S.A. * 2 year warranty * Patented design