FOURSEVENS Maelstrom S18/ MMU-HD Black Finish / Cool White LED; 6XCR123A; 1200 Lumens Brightness Levels: Low: 80 lumens, 17.5 hrs/Medium: 400 lumens, 3.5 hrs/High: 1200 lumens, 0.6 hrs Special Modes: Strobe: 1200 lumens, 1.5 hrs/SOS: 2.5 hrs Included accessories: Batteries, spare-o-ring, holster Lens Material: Optical-grade glass lens, sapphire coating, antireflective coating Body Material: Type-III hard-anodized aircraft-grade aluminum