SMART POOL'S ROBO-KLEEN - Recommended for Pools up to 31' Round or 21' x 41' Oval - Vacuums Entire Pool Floor - Self-monitoring SmartchipTM Ensures Most Comprehensive Cleaning Coverage - Operates Independently of Pool Pump and Filter - Microfilters Water - Like Adding Another DE Filter to Pool - Saves up to 50% on Electricity and Backwashing Costs - Saves up to 30% on Chemical Costs - Uses Low Voltage Brushless Motors - Costs Pennies to Operate -Automatic Shut-Off After 3 Hours -Self-Contained, Reusable Filter Bag - Microfilters Contaminants -One Year Full Warranty -40' Cable with UL Cord -Water-Cooled Motors, No Oil to Leak -Transformer - in Weatherproof casing, 24 Volts at Unit -UNIT WEIGHT: 17 lbs Without Cable or Transformer CARTON WEIGHT: 25 lbs CARTON SIZE: 23.5 " x 19.5" x 14 " (UPS-able) VISIT WWW.SMARTPOOL.COM