3-Stage Cleaning system loosens, lifts, and suctions dirt, dust, and hair from hard floors and carpet.Dual Multi-Surface Brushes work together to grab dust, dirt, and large debris. The Auto-Adjust cleaning head automatically adapts its height to effectively clean both carpets and hard floors.Patented Dirt Detect sensors alert Roomba to work harder on concentrated areas of dirt, such as high-traffic zones of your home.Full suite of sensors intelligently navigate the robot under and around objects and under furniture to help thoroughly clean your floors.Edge-Sweeping Brush is specially designed at a 27-degree angle to sweep debris away from edges and corners.Connect and schedule from anywhere. Use Alexa or Google Assistant voice commands to control cleaning. Use the iRobot HOME App to schedule & monitor cleaning sessions.Runs for up to 90 minutes before automatically docking and recharging.Featuring Roomba Essentials- Wi-Fi connected, Smart Navigation, Auto-Adjust Cleaning Head, Works on Carpets and Hard FloorsBox Content: 1 Roomba 671 Robot Vacuum with Wi-Fi Connectivity, 1 Home Base Charging Station, 1 North American Line Cord, Owner's Guide, Documentation PackageiRobot does not certify the quality or authenticity of products purchased from non-authorized resellers on Amazon, and will not cover claims, provide service or offer replacements for products purchased from these sellers.