Manual Stabilizing Four Point System Convenient wireless control that allows the operator to walk around the vehicle or the campground to operate his system. Control operates the jacks in pairs to resist frame twist or slide-out damage. Four powder coated cylinders made at our facility capable of lifting 12,000 pounds each with 16" of stroke. One weatherproof hydraulic power unit with an American made marine pump & motor wrapped in a steel housing, allows the unit to be mounted outside in the elements so it does not take up storage space. 100 square inch "Bigfoot" pads for secure ground contact during operation. All necessary components and hardware for a complete installation! *Note: Larger units may require a quad pump system to lift vehicle.