Jack Quick 3500 JQ-3500W-7P 12-Volt Electric Tongue Jack with White Cover and 7-Way Plug, 3650 lb. Capacity 3650 pounds lift capacity with heavy-duty hardened steel gears 2.25 inch post; fits all 2.25 inch A-frames with 18 inch of travel for easy attachment to equalizing bars 7-way plug powered by running light circuit of 7-way adapter and top crank manual override Includes protective vinyl cover with a water resistant motor and black plastic gear housing, LED working light Built in level, oversized zinc footplate and 1 year replacement warranty