Tufforce FL-W262B - CREE bulb Weapon/Tactical Flashlight, 200 lumens 6 Volt LED (CREE) Light Bulb w/ Strobe 200 Lumens, 1.25" Bezel 1" Premium 6061 Aluminum Tube Battery Guard, Shock-Proof Lamp Integral Weaver/Pictinny Clamp Base