Hayward RC3431CUY AquaVac 500 Robotic Pool Vacuum (Automatic Pool Cleaner) Microprocessor-based program calculates the most efficient cleaning pattern Dual-mode technology provides a choice of two cleaning programs: fast 90 minute pool floor only or deep 3-hours floor, wall and waterline cleaning Top-access debris container allows quick removal of cartridge filters and easy debris cleanup Integrated Recurring Timer allows you to choose cleaning frequencies Comes with Caddy Cart for easy handling and storage of cleaner