Automatic Cleaning Liquid Addition Module: Equipped with the Automatic Cleaning Liquid Addition Module, it can be easily installed on the X30/X40/X40Pro/S10ProUltra/S20 robotic vacuum cleaner accessories, providing convenient cleaning liquid addition function. COMPATIBLE: Compatible with For P60 / S50 Pro / S50 Ultra, ensuring perfect match and applicability. Simple and easy to use: The design of the automatic cleaning fluid refill module makes it easier and more efficient to refill the cleaning fluid. Improved Cleaning Effectiveness: The automatic cleaning fluid refill module ensures that the robot vacuum cleaner continues to refill the cleaning fluid during the cleaning process, improving the cleaning effectiveness. Integrated design: The automatic cleaning fluid refill module is integrated with the For P60 / S50 Pro / S50 Ultra accessories for easy storage and use. Compatible with model: For P60 For S50 Pro For S50 Ultra Colour:Grey Material:ABS Package Contents: 1 * Cleaning Fluid Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.