SmartPool NC52 Wall Climber Cleans and brushes floor and walls, revolutionary lightweight design, recommended for in ground pools up to 20' x 40' x 8' deep Dual 3 hour standard cleaning mode/1 hour rapid cleaning mode, direct-drive motor for greater traction and serviceability All surface cleaning for vinyl liner, fiberglass and concrete pools, quick-drain system for lightweight removal from pool Extra-large filter bag capacity, 50' power cord, brush-to-port suction for thorough vacuuming of acorns, leaves and fine debris Two year limited warranty, etl, csa and ce approved