ROBOTIC CLEANER. Designed for pools up to 40' length of any surface! Aquabot climbs 90 degree inclines from floor to waterline, including most stairs and benches, to automatically clean pools up to 40' in length in just 4 hours or less. Aquabot is even equipped with an adjustable timer for customized cleanings and can operate with auto-controller systems. Aquabot robotic in ground pool cleaner features high-powered suction to remove the finest particles of algae, bacteria, dirt debris, sand and hair from the pool's floors, steps, walls, and even the waterline!The Aquabot is great for residential pools up to 20' by 40'. It comes equipped with a 51 foot power cord. 1 year manufacturers warranty.