Foursevens Atom ALR2/ Stainless Steel Finish/ Cool White LED G2; 1XCR2; 100 Lumens LED: CREE XP-G2 Material: Stainless Steel Lens: Plastic optic lens Battery: One CR2 Brightness Levels:Low: 5 lumens, 46 hrs / High: 100 lumens, 2.5 hrs