The Ezviz Robot Accessory Pack for RE4 and RE4 Plus includes essential components to keep your robot vacuum performing at its best. The main brush efficiently absorbs dirt, dust, debris, and hair into the dustbin, while the side brushes reach corners and enhance the collection of dirt and hair. The high-efficiency filter ensures powerful suction and effectively filters collected dust. Additionally, washable and reusable mop cloths are designed to absorb liquids and remove stains from floors, providing a comprehensive cleaning solution for your home.