Ultimate Arms Gear OD Olive Drab Green 90+ Lumens Military Flashlight CREE LED Light Kit+Mount, Switch, Tail Cap, And Batteries-AR15, AR-15, M4, M-4, M16 Rifle For Weaver/Picatinny Rail Ultimate Arms Gear 90 Lumens Flashlight with Weaver/Picatinny Mount & Pressure Switch. Light bulb is Cree Led. Max Output is Bright 90 Lumens. Aircraft Grade Aluminum T6 Housing - O-Ring Sealed, Waterproof & Weatherproof! Front Serrated Bezel For Added Self Defense Feature. Uses One Included CR123A Battery. Widely used by Military, Police Forces and SWAT Teams. High Quality Remote Pressure Switch And Push Button Tail Cap For Your Choice Of Application. Installs In Seconds On A 7/8" Weaver-Picatinny Rail No Gunsmithing Needed. Flashlight Can Be Used With or Without Pressure Switch. Voltage is 3W. N.W. (OZ): 4.7. APPX 3.5" Long. Color: OD Olive Drab Green