On the underside, there’s a roller brush with both bristles and silicone strips for better pet-hair removal and a single spinning brush for clearing debris from wall edges and corners. This significantly reduces the height of the robot, enabling it to more easily get in and out from under low-profile furniture. However, its quartet of laser beams emanates from within the robot’s body, rather than a topside turret, which is more typical. The Q11 uses LIDAR (Light Detection and Ranging) to navigate and avoid obstacles as it vacuums and mops.