Foursevens Quark Tactical QTA Cool White Gen2 LED, 1 AA, 130 Lumens, Black Finish Brightness Levels: Moonlight: 0.2 lumens, 10 days, 1ma / Low: 5 lumens, 2 days, 10ma / Medium: 26 lumens, 6 hrs, 50ma / High: 102 lumens, 1.5 hrs, 250ma / Maximum: 130 lumens, 1.2 hrs, 350ma Special Modes: Strobe: 130 lumens, 2.5 hrs / SOS / Beacon: 0-130 lumens pulse, 18 hrs Included accessories: Battery, lanyard, split ring for keychain attachment, spare o-ring, holster, finger-grip Lens Material: Impact-resistant glass, sapphire coating, antireflective coating Body Material: Type-III hard-anodized aircraft-grade aluminum