CREE Q5 LED generates 200 lumens of blinding white and continues producing-level for more than about 60 mins White-light and Strobe Output Ver New M93 tactical light mount,Quick Detachable design Powered by 2*CR123A(3.0V) or 2*16340(3.7V) Batteries (Weapon Light) The wireless controller can easy to attach to any Rail System(20mm rail) Tactical dual switch:button switch and wireless switch Powered by 1*CR123A Battery(main body) and 1*CR1220 Battery(Wireless Controller) Color:BK