This electric trailer tongue jack is a 12V motor-driven jack that makes coupling and uncoupling from the hitch on any A-Frame trailers an easier operation. Features: One touch operation, Fits any A-frame trailer, Oversized footpad for stability, Anti-divot footpad for stability, Manual hand crank for emergency use, LED illumination for superior nighttime visibility. Weight: 21.9 lbs. Jack lift distance: 18". Lift Capacity: 3,500 lbs.