iRobot Dirt Dog picks up what you throw down. Command it to clean and it gets to work sweeping under workbenches, cars and other hard-to-reach places. It picks up the nuts, bolts, dirt, and other debris from your shop floor. You've done enough; leave the cleaning to a robot. iRobot Dirt Dog's oversized dust bin and high-speed, counter-rotating brushes keep your workspace clean. Use on hard floors, shop carpets or industrial floor surfaces only.