The Lightest and Slimmest Turbo Long Gun Option. The M640T Turbo Scout Light Pro answers the needs of military and law enforcement professionals who demand powerful, reliable, high-candela performance in a lightweight, slim, non-Dual Fuel form factor. Powered by two 123A lithium batteries, the M640T generates 700 lumens and 70,000 blazing candela in a concentrated, tightly focused beam pattern for positive long-range I.D. Like all Scout Light Pro models, it features SureFire's Low-Profile Mount (LPM) to provide unprecedented versatility by allowing the user to optimize the light's position relative to the handguard and other rail-mounted accessories. Rugged and reliable, the LPM can be easily and securely attached to any MIL-STD-1913 or M-LOK rail; every Scout Light Pro comes with mounting cleats for both options. The M640T's shrouded Z68 push-button tailcap provides easy, instant activation with the single click. Constructed of lightweight, aerospace-grade aluminum with a Mil-Spec hard-anodized finish, and O-ring sealing to prevent moisture ingress, the M640T is designed, engineered, and precision-manufactured to thrive in combat conditions without sacrificing weapon maneuverability. Features: 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