SureFire M640TBKPRO Black Aluminum 700 Lumens

Virtually indestructible ultra-high-output LED generates 700 lumens and 70,000 candela of blinding light; produces tactical-level light for 1.5 hours on two 123A batteries. Versatile Low-Profile Mount (LPM) allows the user to optimize the light's position relative to the rail. Mil-Spec hard-anodized aluminum body and tempered window make it light rugged, durable and combat ready. Activation via Z68 momentary/constant-on push-button switching with protective shroud. O-ring seals keep out moisture; the M640T Turbo Scout Light Pro is IPX7 rated. Mounting hardware for MIL-STD-1913 and M-LOK rails is included