TacFire Cree LED T5 150 Lumens Tactical Flashlight with Romote Pressure Switch, Weaver Picatinny Rail Mount and Battery - Black TacFire official product, made to withstand heavy recoil , 6061 T6 aluminum body with matte black finish, ring mount attaches to weaver/Picatinny mount rail systems 150 lumen Cree LED gives you 50x longer life span than standard flashlight bulbs and 10x more battery life On/Off activation either via push button end cap or with remote curly cord activation switch