The Shark® EZ, RV910AE robot vacuum combines convenience with intelligence and performance. After each cleaning session, your robot vacuum automatically empties the dust bin into the bagless base, which holds dirt and debris from up to 45 cleaning sessions. The Shark® EZ robot cleans row by row to assure total floor cleaning and with recharge and resume, it will return to the base, empty, recharge, and can pick up where it left off. Weighs 5.87 lbs.