iRobot, makers of all things Roomba, has pulled the curtain back on its newest house-cleaning tool: the iWoman Depending on which model you get, the iWoman ranges in size from about 4′11″ to 5′11″, and cleans all messes around the house. The best part: You don’t need to plug it in, meaning you save on your electric bill. Instead, it runs on food, water, and oxygen.