Dolphin Premier Robotic Pool Cleaner Smart Nav scans the pool shape and calculates the optimal path for faster, more efficient cleaning HyperGrip dual tracks for 40% less slippage while climbing walls and stairs Power scrubs and vacuums doors, steps, walls, and water line Reduces energy costs up to 90% (5 per hour) over AC-powered cleaners by running on DC motors Vacuums leaves, debris, pollen & green algae with the option to attach different media and filters