Smartpool NC74 Scrubber 60 Plus Robotic Pool Cleaner for IG Pools Cleans and scrubs the floors, walls and waterline of pools up to 20' X 40' X 8' deep Features intelligent navigation so it doesn't have to bump a wall to know when to change direction Zero radius turning helps for cleaning out corners and maneuvering steps Lightweight design and Quick-Drain system makes removal from the pool is easy for anyone Includes a 60ft. power cord and transformer power box and is ETL, CSA and CE approved