... 5000m. 5mw and other power rate. Red, blue beam selection. Green laser pointer1, Strong green beam up to 5000meters;2 ... , Used in teaching, presentation, astronomy, military and other occasions;3, Output power ... size: 15.9(L)*1.4(Dia)CM; Power supply: AAA*35, Other beam light like: red ... can be printed with logo for promotion. Green laser pointer