Simplify operation and minimize user training thanks to the easy-to-use One-touch™ controls, ergonomic drive paddles and intuitive display control user access without innovative SmartKey™ system. Clean during the day and in noise-sensitive areas by switching the SC500 to Quiet Mode™. The exclusive EcoFlex™ system, allows for variable detergent (including ultra-low) or water-only cleaning, and the SC500 is in a category of its own when it comes to sustainability and efficient cleaning.