Runs for 3-3.5 hours and has an external charger and 2 wet lead acid batteries (not included). Features a patented flip-up head making pad or brush changes a breeze. Full adjustable flow rte. Adjustable handle provides proper ergonomics for any operator. Prolonged battery life with low-voltage shutoff. Hour meter and battery level indicator. Tear-away squeegee with quick-release blades for easy cleaning. Gel battery is spill-proof and can be charged anywhere. Quick-fill hose allows you to fill from a tap instead of using buckets. Inline filter captures debris. Control panel provides an hour meter and monitors the battery status.