405nm Powerful Blue Laser Pointer High Power Adjustable Focus 5mw laser Type: Presentation Aids Finish/Surface: 405nm Powerful Blue Laser Pointer High Power Adjustable Focus 5mw laser Specifications: 405nm Powerful Blue Laser Pointer High Power Adjustable Focus 5mw laser Type Specifications: 405nm Powerful Blue Laser Pointer High Power Adjustable Focus 5mw laser