Dolphin Commander Robotic Inground Pool Cleaner - Automatic inground pool cleaner recommended for use on pools up to 50 feet. 15% more suction power than other Dolphin cleaners. Cleans hard to clean pools - cleans floors as well as walls. Complete cleaning cycle in 3 hours or less. Will work on any pool surface. Scrubs water line. Operates independently of pool pump and filter. Uses low voltage pump motor - costs pennies to operate. Direct drive motor - no belts to break. No installation required. Machine washable filter bag. Uses a ELA transformer in a weatherproof casing. Comes with a 60' cable. 5 year warranty.