essentially , it be a dust buster on wheel . the vacuum opening be only a few inch wide . there be not any vacuum power , and there be not any brush . additionally , it get stick on everything . the first time I run it on my carpet . it travel 10 foot , and then get stick on the heating duct grate on the floor . the second try I run it on the linoleum in the kitchen . it travel 3 foot , turn toward the carpet and get stick on the threshold between the linoleum and the carpet . the third try , I put it on short dense office building type carpeting . there be a 1\/8 inch thick cord tape to the floor with duct tape . the unit travel 5 foot , and then get stick on the cord .