... of agricuture.It can be used for drinking water and living water.The living codition could be much improved.It ... steelScrew:stainless steel ACCESSORIES:Pump controller,Screw,Cable connector,Water level sensor,Cabel for solar panel,Solar flashlight. ADVANCED TECHNOLOGY: ... 25% by the permanent magnetism,direct current,brushless,non-sensor motor.2.Technics innovationAdopt double plastic package for rotor ...