Ultimate Arms Gear Tactical Rechargeable 130+ Lumens L.E.D Military Flashlight LED Tac - Light Kit With Strobe Feature For AR15, AR-15, M4,M-4, M16,M-16 Rifle With A 7/8" Weaver-Picatinny Rail Includes: Integral Weaver-Picatinny Mount, Remote Pressure Switch Cord , Push Button Tail Cap, Battery & EU European 220V Power Travel Adapter High Quality 130+ Lumens L.E.D. - Light Emitting Diode : Installs In Seconds On A 7/8" Weaver-Picatinny Rail No Gunsmithing Needed Aircraft Grade Aluminum T6 Housing - O-Ring Sealed, Waterproof & Weatherproof! Military Grade : Strobe Feature And Front Serrated Bezel For Added Self Defense Feature High Quality Remote Pressure Switch And Push Button Tail Cap For Your Choice Of Application