Intelligent refilling: Free up your hands to automatically refill cleaning fluid. No need to use your hands. You can intelligently add cleaning fluid according to the mopping mode every time. Ultra-large capacity: Easily install the 400mL ultra-large capacity to long-lasting cleaning power. With liquid shortage detection, you will know when you need to add cleaning fluid. Made of high quality material, more durable. elicate and exquisite, highly match the equipment. Easy to install and remove, no need to spend extra energy and time. [Product Name] X30 Automatically add a cleaning solution module [Adaptation model]Applicable for sweepers: X30 series, S30 series, S10 robotic arm series [Product size] 14.4cm long x width 11.8cm x height 5.8cm Colour:grey Material:plastic 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.