PV panels high-press cleaning kits, by the nylon brush○1, aluminum telescopic pole○2, water hoses○3, cleaner（high press pump）○4 composition. The aluminum telescopic rod is connected to the brush head by elastic connection ○6. For the inclined installation of the panels , this flexible connection allows the brush to always close to the panels surface.
The water supply hoses is connected to the pump, which has a switch ○7 and can adjust the flow rate of the water.
Brush head with a spray nozzle, and have spray nozzle at the side ○5, nylon bristles, Squeegee. See Figure 1, Figure 2.
It is manual tools, operation by single person.