1mW blue laser pointer emits the brightest 460nm pure blue laser beam and light spot, allowing you a free view of laser beam range of about 1500 meters in darkness. This 460nm blue laser emits brighter beam than 450nm, and a bit purple beam than 405nm blue violet laser. This 1mW blue laser pointer projects the most seducing beam to human eyes, is the most attractive gadget for presentation, lecture, tour guide and bird spotting etc.