Solar Panel Size: 160mm diameter Pump Parameters: DC 4. 5-12V Maximum rate: 200 L/h Max Lift: 110cm Notes: This product is a direct drive solar powered water pump without external batteries The height of the water jet is completely dependent on the strength of the sun When the sun is low, the pump will not work continuously, but will automatically start and repeat until the sun reaches a certain intensity, and the pump will resume continuous work When using this product, please place this product at the unshaded sunlight, because the shade will affect the normal operation of the pump The pump must be fully immersed in water and cannot be dehydrated for a long time When the water pump is just immersed in water, because there is air in the water pump, it is recommended to insert the nozzle after the water pump is sprayed normally Please keep the source of clean water and clean the water pump regularly to prevent foreign matter from getting pired in the water pump and cause the water pump to malfunction