Kwikee 3747453 Single Tread w/Motor, Control Unit & Switch Kit

The Kwikee Electric Step by Lippert Components automatically extends when you open your RV door and retracts when you close your RV door. The power step features an automatic shut-down if the step strikes an obstacle. Weatherproof wiring and connectors prevent shorts and corrosion in the system. Mounting Bolt Pattern: 8 x 22".