... -150m. 3) Water shortage protection. Solar water pump descriptions:1) DC 12v/24v,48w,more efficiency, save energy.2) Head: 8m ... ,10m,20m,30m,40m,50m,60m,70m,80m,90m,100m,150m.3 ... : 150mm, diameter: 70mm.9) Net weight: 0.57kg. 2012 new DC 12v/24v solar water pump submersible for home/agriculture