HISTORY Rechargeable Green Leaser Pointer, With Star Cap. Long Range. Super Beam Focus.  (500 nm, Green)

It Is Used To Point At Any Desired Target On Projection Screen, Video, Etc. Up To 50 Times More Powerful Than Most Other Laser Pointers It Can Be Used For Presentation, Teaching Indicator, Etc. Suitable Or Putting In Your Pocket Or Handbags, Easy And Convenient To Bring. This High Quality Laser Pointer Adopts The Latest Technology Optics And Microelectronics. Long Range Laser Light. Pointing The Stars And Construction Inspection. There Is One Key To Open Laser, Use The Key To Open The Switch Lock In The Tail. The Green Button Notify Us The Laser Is Turn On, And The Red Button Notify Us The Laser Is Turn Off. It Has 3.7v Rechargeable Lithium Ion Battery With Charger. Different Types Of Laser Pointer Can Show Different Colors Of Light, And The Apparent Brightness Of A Spot From A Laser Beam Depends Not Only On The Optical Power Of The Laser And The Reflectivity Of The Surface, But Also On The Chromatic Response Of The Human Eye. The Laser Pointer Can Be Used To Highlight Something Of Interest By Projecting A Small Bright Spot Of Colored Light Onto It. It Can Be Used In Different Areas Which Include Educational And Business Presentations, Architecture, Astronomy, Camp And Adventure, And Entertainment Etc. Up To 50 Times More Powerful Than Most Other Laser Pointers. Just Remove Disco Light Effect Cap From Leaser To Get Straight Pointer Light For Presentation.