FOURSEVENS Mini 123/ML Black Finish / Cool White LED; 1XCR123A; 180 Lumens Brightness Levels: Low: 3 lumens, 150 hrs/Medium: 40 lumens, 8 hrs/High: 180 lumens, 1.2 hrs Special Modes: Strobe: 2.4 hrs/SOS: 7.2 hrs/Beacon Hi: 12 hrs/Beacon Lo: 60 hrs Included accessories: Battery, lanyard, split ring for keychain attachment, spare o-ring Lens Material: Optical-grade glass lens with antireflective coating on both sides Body Material: Type-III hard-anodized aircraft-grade aluminum