Traction control with dual heavy-duty, 8" mark free wheels. Batteries produce up to 3 hours of run time. Enclosed dust control system (cloth or paper bag) for clean operation. Unitized roto-molded body with wide area cover panel for easy battery access. One-pass performance. SteadyOne™ Technology increases pad life. On board battery charger. Quiet operation. 2.5 HP electric motor. 90° tilt deck for easy pad change. Power supply: 36V.