AMP Research 76139-01A PowerStep Electric Running Boards Plug N' Play System for 2016-17 Ram 1500/2500/3500

You shouldn't have to struggle to get into your truck!  PowerStep is an  automatic, electric-powered running board that instantly extends when you open your door, and then hides itself safely out of sight when the doors close. It provides improved ground clearance, aerodynamics and appearance. With its handsome design, all-weather performance and legendary reliability, it sets the industry standard for running boards.