1)Extremely brightblue laser at 532nw wavelength.2)outpower of < 5mw,10mw,20mw,30mw,30mw,50mw,80mw,100mw,100mw,200mw(option)3)range of approximately 12,000 ft in darkness4)1.1mm beam diameter at source5)momentary push buttom switch.6)solid,heavy duty construction.8)takes 2"AAA"...