Like New, Dust bin capacity - 0.45 quarts. The Shark ION Robot brings the ease of automatic cleaning to everyday upkeep. Smart sensors assess their surroundings on all floors and carpets, adapt to obstacles, and help the robot seamlessly navigate. Self-cleaning brush roll removes hair, dust, and dander to prevent everyday buildup. Dual side brushes effectively remove dust and debris in hard-to-reach areas like edges, corners, and under furniture.