Intelligent refilling: Automatically refills cleaning fluid without manual intervention. The system intelligently dispenses cleaning solution based on the mopping mode. Ultra-large capacity: Features a 400mL large tank for extended cleaning sessions. Includes liquid level detection to alert when refilling is needed. Made from high-quality materials for enhanced durability. Designed to seamlessly match the devices appearance. Simple to install and remove, saving time and effort. Product Name: X30 Automatic Cleaning Solution Module Compatible Models: Compatible with X30 series, S30 series, and S10 robotic arm series robotic sweepers Product Dimensions: 14.4 cm L x 11.8 cm W x 5.8 cm H Color: Grey Material: Plastic Package Contents: 1 x Cleaning Fluid Module Note: The package includes only the items listed above. Note: Due to lighting and display differences, the actual product color may vary slightly from the image. Measurement may vary by +/- 1-3 cm.