Description: By CE Certification DC input, wide voltage Built-in MPPT which can make the best one of solar energy The pump can be directly connected to solar panels in sunshine without controller The pump include Over-voltage protection/Under-voltage protection/Over-current protection/Over-load protection Environmental protection, achieve zero carbon dioxide emissions Solved the water shortage problems of the area whithout electricity Applications: Tank/Cistern filling Village or family water supply Water supply for farm Carden/courtyard irrigation systems Livestock watering/Swimming pool filling/Fountains Water supply for bivouac or camping car Solar water circulating system Renewable energy projects Note: 1).This product contains only the water pump, not including solar panels, solar panels need to buy their own. The power of solar panel configuration values suggest 2-2.5 times that of the pump power. Have any questions, please contact us.  2).Water pump can not work out of water, water shortage causes the damage of the pump will not do the warranty.