transparent box, the remaining water is clear at a glance, no need to frequently open the lid to check Lightweight box body, not bulky even when filled with water, no weight-bearing sensation when pushing or pulling the body Increase the water storage capacity, so there is no need to repeatedly add water during the whole house cleaning process Replacing the water tank alone can repair the fault without replacing the entire machine, saving costs Electronically Controlled Water Tank，Compatible For Dreame，L10Plus Z10Pro，Compatible For Xiaomi，X10 STYTJ05ZHM Robot ,Replacement water tank