Durable die-cast aluminum brush deck. No tools needed for changing curved squeegee blades. Variable 66 lb or 99 lb pad pressure. Delayed vacuum motor shut off. Emergency shutdown system for safety. 5 year warranty on all parts and labor with the exception of "wearables" such as brushes, pad drivers, batteries, hoses, belts, and switches. Take advantage of innovative technology through i-Synergy to: Make better decisions from gathered daily reports. Minimize downtime through remote malfunction notification. Adjust work scheduling through remote examination of previous days work performed.