A. Product features: It is made of good - quality materials and is relatively durable. B. Side brush function: The side brush enables the vacuum cleaner to reach into corners for more thorough cleaning. C. Filter function: The filter can filter fine dust, reducing the infiltration of dust, pollen, and other allergens into the surrounding air. D. Maintenance method: As part of daily maintenance, the filter can be easily removed and replaced. To keep the machine performing well, it is recommended to replace the spare parts every 2 to 3 months. E. Compatible models: - It is suitable for Mi Home Sweeping and Mopping Robot 2S, model: XMSTJQR2S/BHR5771EU/BHR5771. - It is suitable for Mi Home Sweeping and Mopping Robot P, model: STYTJ02YM. - It is suitable for Mi Home Sweeping and Mopping Robot Pro, model: STYJ02YM. F. Product color: As shown in the picture. G. Product material: Plastic. H. Package contents: The package includes 2 roller brushes, 4 side brushes, 4 HEPA filters, and 1 cleaning brush. Only the above - mentioned items are included, and other products are not. I. Precautions: - Light reflection and different displays may cause slight differences between the color of the items in the picture and the actual product. - A measurement error of ±1 - 3 cm is allowed.