NST METAL WEAPON MOUNTED LIGHT LONG GUN W/REMOTE The TWM-854XL Xtreme Lumens™ Tactical Weapon-Mounted Long Gun Light with Remote Pressure Switch uses an LED rated 850 lumens. Working in conjunction with a high-efficiency deep parabolic reflector it creates a usable beam of light rated at 245 meters. This weapon light attaches to a Picatinny Rail of a long gun to operate the momentary-on or constant-on lighting modes. The housing is constructed from aircraft-grade 6061-T6 aluminum. Package includes light with remote pressure switch installed with pressure pad (8" cable), rail connector, alcohol pad, 2 adhesive-backed hook and loop mounting strips, 1 set of spare cross-rail inserts and cross-rail mounting screws, Allen Wrench and 2 CR123 batteries. (Not compatible with rechargeable batteries.) Features LED technology Remote Pressure Switch Momentary or constant-on flashlight Sharp focused beam for distance illumination Aircraft-grade 6061-T6 aluminum housing Glass-filled nylon polymer toggle switch Type III hard anodized finish Beam distance rated at 245 meters IP-X7 Waterproof Impact & chemical resistant Serialized for personal identification 2 CR123 batteries (included) Limited Lifetime Warranty