Convenient and easy to use, humanized control experience, App intelligent control, fingertip touch to clean. Stable walking, efficient cleaning, simple and humanized control, bringing convenient experience for the whole family. Constant humidity window cleaning, bilateral cross automatic water spray, intelligent rock climbing system. Anti-slip and anti-dirt, the drive wheel is external, avoiding water accumulation, and walking more smoothly. Driving wheel and the following small wheel formation, three-point support, increase the contact area with the glass,Synchronous belt self-cleaning brush design, can clean the dust on the synchronous belt at any time., Manufacturer: TRDEWR