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  Light seeking solar tracker controls      
  Product   Description Price User Document PURCHASE
  EST1   Single axis 5A enclosed $90 EST1 Manual
  ST1-5A/RS1   Single axis 5A with remote sensor $140 ST1-5A Manual
  ST1-10A/RS1   Single axis 10A with remote sensor $190 ST1-10A Manual
  ST1-10AS   Single axis 10A anti-shading for ganged arrays $230 ST1-10AS Manual
  ST1-20A/RS1   Single axis 20A with remote sensor $230 ST1-20A Manual
  ST2-5A/RS2   Dual axis 5A with remote sensor $155 ST2-5A Manual
  ST2-10A/RS2   Dual axis 10A with remote sensor $205 ST2-10A Manual
  ST2-20A/RS2   Dual axis 20A with remote sensor $250 ST2-20A Manual
  EC2   Extra cable for remote sensor price per foot $0.60  
  UM2   Hard copy user manual* $3.00  
      *free PDF version emailed with ship notice      
  SHIP UPGRADE   Priority Post in US, Expedited Parcel in Canada* $10  
      *standard surface shipping added at checkout      
  INTERNATIONAL   Shipping adder for outside North America $50  
       
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