PL-E Pro Laser series’s AC in integration, robust design, dismountable design, internally focusable feature, added safety features, metal button, spare barrel, long runtime and and high reliability make them a better option for outdoor or field use where a a high power, high stability handheld laser is required. PLE Pro series lasers are good for lab use where portability and low cost are necessary.
Features
      1. longer run time
      2. internally focusable
      3. AC/DC powerable, varying batts supported
      4. Safety Pin, Aperture cap, user safety fortified
      5. Dismountable battery barrel, shipping friendly
      6. Extension available for PL-E Pro 405nm lasers, 520nm lasers, 445nm lasers running two 18650/26650s 
      7. Standard AC port