Hayward RC3431CUY AquaVac® 500 Robotic Pool Cleaner with Caddy Cart comes equipped with a microprocessor-based program that determines the most efficient cleaning path possible where pool owners can simply select the cleaning frequency that best matches their pool debris load. Working independently of the pool filtration system, this robotic pool cleaner technology is the most energy efficient solution using up to 94% less energy than most pressure pool cleaners.