... driven by storage battery which is automatically charged by solar panel, so it saves energy and protects environmental, and ... to be man power maintained.Specification: Solar Panel:Power of Solar Panel: 18V, 450mASize of Solar Panel: 20cm X 30cmDC water pumpPower: 12V, 400mAFlex: Max ... hours on sunny day.Package:Box Size: 80cm X 55cm X 35cmContent: the solar panel, the battery, the water pump and the ...