How high efficiency and energy saving solar street lamps

Is the need for regular maintenance, solar street lamps for fault detection, cleaning, etc. , so need often clean solar panels? In most areas, there is enough rainfall to wash panel, usually don't need to clean. If it is in dry areas,

solar lamp is a must to carry out maintenance, on its common faults carried out inspection, cleaning, etc. , solar power generation solar panels must often clean up?

most of the region, there is plenty of rain to clean up the control panel, usually don't have to clean up. If it is in the dry weather, some areas is how much rain, dust, can consider to set clear system, artificial service cleaning or fully automatic cleaning.

can wash clean plastic hose, pay attention to clean without pressing or exposed to solar power control panel, don't have to use metal material lumps clean or grinding ways to clean up, don't water clean up at high temperatures.