Bi-Directional Automatic SprayWith the double nozzle design automatically spraying water according to the cleaning direction to improve cleaning efficiency and ensure comprehensive cleaning coverage.Variable Frequency SuctionTOSIMA W3 robot window cleaner adopts a high-quality Japanese brushless motor which can provide strong suction power up to 3800pa. Also it can automatically adjust the cleaning force according to the dirty glass surface to ensure an efficient cleaning effect.Large Water TankEquipped with an 80ml large water tank a complete fill can clean the whole house and the tank's built-in sensors can remind users of low water conditions to facilitate the timely addition of water.Route PlanningWith the intelligent planning cleaning route function Tosima W3 can clean the whole window automatically.Multiple Cleaning ModesWindow cleaning machine provides dry wipe wet wipe spot cleaning and other multiple cleaning modes users can switch as needed to adapt to different cleaning needs.Edge DetectionWith an edge detection function this robot window cleaner can automatically detect the edge of the window even if it is borderless glass can also be cleaned.