Strong Suction and Move Smoothly Strong suction make the X5S window cleaner stay strong on the vertical surface. And the rotating pad make the wiping more efficient. Two feature combine make the window cleaner stay tight on wall and move smoothly on it too. New Water Spray Feature Innovative water spray system. Every spray follow with every move. Great enhancement for cleaning with systematic water spray function. Simple water refill to 100ml water tank. Make advance feature easy access. Both App and Remote Control Both app and remote control option you can choose to distance operate this window cleaner. You can control it what to do when it is on high window. Easy operate app work both on IOS and android. Remote control is functional and easy to use too. Work on Contertop Cop Rose X5S window cleaning robot can also work on countertop like table, hard floor. It can also work on hard vertical surface like the bathroom glass, tile wall. It provide bonus feature than only cleaning the window. Safety Rope for Less Worry Tight on Safety rope one point tight on to the window cleaner. The other point can tight to anything that is stable. Plus the long connected power cord provide power constantly. Ensuring the safety of working on the high place or outside window . 4 Pairs of Bonus Pads Four pairs of back up washable cleaning pad comes with the product. Machine washable cleaning pad saving you energy and time for using the cleaning window robot. Simply change to clean pair of pad when using one is dirty.