SureFire M600P Fury Scout Light Rail-Mountable LED WeaponLight High-performance, recoil-proof LED generates 600 lumens of blinding white light and continues producing tactical-level light for 1.5 hours Precision reflector provides a wider beam pattern, increasing situational awareness for close quarter operations Construction: Mil-Spec hard-anodized aerospace aluminum, optically coated tempered window, O-ring and gasket seals Ergonomic tactical switching: click-on/off tail cap and pressure-activated tape switch (both included) Thumbscrew clamp securely attaches to any MIL-STD-1913 (Picatinny) rail