Automatic Cleaning Liquid Addition Module: Equipped with the Automatic Cleaning Liquid Addition Module, it can be easily installed on the for X30/X40/X40 Pro/S10Pro Ultra/S20 robotic vacuum cleaner accessories, providing convenient cleaning liquid addition function. COMPATIBLE: Compatible with For X50 Ultra /X50 PRO / X40 Ultra / X40 PRO /X40 Pro 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. Color: Grey Material: ABS Package Contents: 1 x 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.