[Compatibility] Replacement brush head is specifically compatible with V7, V8, V10, V11 and V15 cordless vacuum cleaners. (Note: Not compatible with V6, V12, Slim, Ball and DC series.) Please check your vacuum cleaner model before purchasing. [Optical Detection] Vacuum cleaner accessories equipped with dust detection lights use optical detection to accurately locate even the smallest dust particles, ensuring a flawless clean without leaving any streaks. This allows you to thoroughly clean all dark corners, thus improving your cleaning experience to the maximum. [Versatile Solution for] Soft roller brush head is designed to be and effectively protect from scratches. It is suitable for various types of hard flooring such as hardwood, tile and marble, but not suitable for carpets. Additionally, the brush head is washable, ensuring cleaning efficiency. [Flexible Maneuverability] The brush head features a flexible, allowing easy navigation in tight spaces and corners with its 120-degree