Barker 32455 VIP 3500 Power Jack - 24" Stroke, Black 3,500 lbs. lifting capacity Sealed at the bottom of the inner tubeto keep moisture and dirt from the precision screws and nuts Special heavy-duty foot pad prevents sink-in in soft ground or asphalt Waterproof up and down switch and an on/off switch that operates the night light Patented built-in level makes it easy to see when you are raising or lowering your RV