Clean crevices: You can easily clean hard-to-reach crevices and corners. Multifunctional, can be used in many places such as kitchen, bathroom, living room, tile, mirror, floor and so on. Efficient cleaning: 11000 rpm repeated rotation to clean dirt, making the electric rotary floor scrubber cleaner, faster and easier to clean. Battery powered: 44 AA pcs (not included), just one click to start working. How to install the brush head? Please find the small hole side from the brush head and the small hole from the handle Make sure the 2 holes are on the same side, align the buckle and turn it to the left to lock it; turn the brush head counterclockwise to make the main body The on corresponds to the on the brush head, and then pull the brush head up. Material: plastic colour: white Package Contents: 1 x body 4 x brush head Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little