The Roomba 891 robot vaccum loosens, lifts, and suctions dirt with up to 5x more air power. Dirt Detect sesnors alert the Roomba robot vacuum to clean more thoroughly on concentrated areas of dirt. Ideal for homes with pets, the Roomba 891 features tangle-free brushes and a high-efficiency filter. Just press CLEAN or shcedule Roomba on the go with the iRobot HOME App. Today only,