Speed Light - 1' inch 3V Tactical flashlight by FAB Features an Output of 378 Lumen LED and powered by single CR123 battery. Provides Approximately 1 hrs. of Constant Runtime; Pressure Activated on/off Tailcap 1 inch in Diameter. Will fit the following Fab Defense flashlight holders: PLA 1", PLS, MIKI 1", KAPI 1", FFGS-1, FFA-T4, T-GRIP, FBA 1". Will fit any 1" flashlight holder. Made of Aerospace 6061 Aluminum Casing Hard Anodized  Mil Spec Water Resistant - Up to One Meter; Dual Grip-Enhancing Ribbons for Optimal Handling Included in the box: Speeclight G2-3V and SPC-L - Tactical Cover