MAMIBOT W110 F robot window cleaner with Patented Pumped WATER SPRAYING Function, demo video

robot window cleaner W110-F iGLASSBOT, with patented pumped Water Spraying function. Automatically cleans the window/glass; Automatically spray water to the glass surface; automatically stops when cleaning is done; APP Controllable; Remote controllable; Strong Suction Power; Multiple safety protection;