The TWM-350 Tactical Weapon-Mounted Light uses a LED rated 350 lumens working in conjunction with a high-efficiency deep parabolic reflector to create a usable beam of light rated at 215 meters. This weapon light features a glass-filled nylon polymer ambidextrous toggle switch on each side of the light to operate the momentary-on and constant-on lighting modes. The flashlight is waterproof impact resistant chemical resistant and is serialized for personal identification. Includes Light 4 sets of cross-rail inserts 4 cross-rail mounting cap head screws Allen wrench and 2 CR123 Lithium batteries.