The SureFire M640U Scout Light Pro is a high-output tactical weaponlight built for unmatched performance and durability. Delivering an impressive 1,000 lumens of bright white light, it provides superior target identification and situational awareness in any environment. Designed for law enforcement, military, and professional shooters, the M640U combines powerful illumination with compact form, making it a trusted choice for demanding operations. Constructed from hard-anodized aerospace aluminum, it withstands harsh use while maintaining a lightweight profile of just over 4 ounces. SureFire’s innovative Low-Profile Mount (LPM) allows flexible positioning on M-LOK or Picatinny rails, ensuring an optimal fit and snag-free setup. Powered by two CR123A batteries, the M640U offers 1.25 hours of continuous runtime and a precision-engineered Total Internal Reflection (TIR) lens that produces a tight beam with balanced spill for close-to-mid range engagements.