The Xiaomi Mi Robot Vacuum Mop Pro Brush Cover is the battery cover which houses the central brush for the Xiaomi Mi Robot Vacuum Mop Pro. This cover protects the central brush and is required for usage. If your cover has broken or is not engaging properly then this mainbrush cover will solve the problem. FEATURES: Stainless steel wire One hand operation Easy to install SPECIFICATIONS: Colour: Black Compatibility: Xiaomi Robot Vacuum Mop Pro – SKV4109GL WHAT’S IN THE BOX: Xiaomi Mi Robot Vacuum Mop Pro Brush Cover – Black x1