H1- Fitted photovoltaic cleaning robot Fully automatic water free cleaning. IP65 protection grade and is free from rain and dust. The whole machine is light and modular. Soft nylon brush design, no damage to component surface. Strong obstacle surmounting ability, it can cross the front and back of the components and move up and down. Active deviation correction design, no jamming. It is widely used and suitable for all kinds of tracking and fixing brackets with frames.