Foursevens Atom AL Stainles Steel Finish / Cool White LED; 1xCR123A; 110 Lumens LED: CREE XP-G2 Max Output: 110 Out-the-front (OTF) lumens Material: Stainless Steel Lens: Plastic Optic lens Battery: One CR123A Brightness Levels:Low: 6 lumens, 40 hrs / High: 110 lumens, 3.5 hrs