The iRobot Roomba R670 Robot Vacuum Cleaner gives you clean floors every day. Its powerful cleaning system captures dirt, dust, all types of hair and larger debris from hard floors and carpets. 3-stage cleaning system iAdapt navigation Dirt Detect sensors Cliff Detect sensors Auto-adjust cleaning head Clean your home smarter The 3-stage cleaning system uses dual multi-surface brushes, a specially designed edge-sweeping brush and vacuum suction to attack everything from small particles to large debris on your carpets and hard floors. Intelligently navigates your home The iAdapt Navigation uses a full suite of intelligent sensors to guide the robot under and around furniture to help thoroughly clean your floors. The Cliff Detect sensor prevents the robot from falling down stairs. Dirt, meet your match The Dirt Detect sensors alert your robot about dirtier areas of your home, like high-traffic spots, and cleans them more thoroughly. The auto-adjust cleaning head automatically adapts its height to effectively clean carpets and hard floors Dual multi-surface brushes The multi-surface brushes work together to grab dust, dirt and large debris to help thoroughly clean your floors. The first brush loosens, lifts and pulls in dust, dirt and hair from floors and in carpet, while the second accelerates debris into the suction channel. Cleans carpets and hard floors The auto-adjust cleaning head adapts its height to keep the multi-surface brushes in close contact with different floor surfaces, directly engaging with both hard floors and carpets. Always ready to clean Roomba 670 automatically returns to the home base charging station to recharge at the end of a cleaning cycle or when the battery is running low.