It comes with a roll of strip that when put on the floor, it will act as a virtual wall. You can cut the strip to the size of the virtual wall size that you need to block, a door way or a carpet edge or any where you don’t want the mop to go to. You can also simply put any object in its way to keep it from going to certain area.
#2 2 questions: 1) what is the ilife shinebot cleaning solution? 2) what is the difference between the shinebot w400 and the w400s?
Both ILIFE W400 and ILIFE W400s are robots for washing floor.ILIFE W400s is an upgrade of ILIFE W400.Compared with W400, W400s' software has been upgraded, in addition with cleaning fluid, cleaning will be cleaner.
#3 Is the dirty water tank removable for cleaning?
Yes, the tank is removable and has 2 chambers, one for clean and one for dirty water. You actually should remove, empty, and rinse after each use. Detailed instructions are provided.