The steps automatically extend when you open your RV door and automatically retract when you close your RV door. This feature can be overridden with the power switch at the door to keep the steps in the extended position while at the RV park. The ignition safety switch will retract your steps if you forget. Self lubricating bushings do not need maintenance and shoulder bolts not rivets reduce the torque on the electric motor for easy operation. Weatherproof wiring and connectors prevent shorts and corrosion in the 12volt system. Easily mounts and replaces other popular brands of electric RV steps. These steps are heavyduty powder coated for rust resistance. Treads measure 24 wide x 1034 deep.