Floor brush purpose: driven by the suction of the vacuum cleaner, the roller brush runs at high speed to clean and clean the floor Inner diameter of interface: 32mm Working length: 263mm Working width: 60mm Note: It is recommended to install and use vacuum cleaners above 1000W. Because it is a wind-driven floor brush, the roller brush is driven by suction. When the floor brush is completely attached to the ground, the roller brush rotates. If the floor brush does not fit the ground, the roller brush stops rotating. Colour: random colors, don't accept the specified color Material: plastic Package Contents: 1 * Floor brush 1 * Adapter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.