Installation  Diagram

A. If the pump just need to work in sunshine.it can be directly connected to solar panels.there are two lead wires with the pump and you can directly connect them to the positive and negative electrodes of  the solar panels.(pay more attention to the positive and negative electrodes,prohibit  connected to the wrong)
  
B, If the pump also need to work during the night time .or even in cloudy and rainy day,you also need controller and battery.( pay more attention to the positive and negative electrodes,prohibit  connected to the wrong )