Foursevens Atom A0 Stainless Steel with Red LED Stainless Steel Finish /Red LED; 1xAAA; 15 Lumens LED: CREE XP-E RED Material: Stainless Steel Lens: Optical-grade glass lens Battery: One AAA Brightness Levels:Low: Low: 0.5 lumens, 14 hrs / High: 15 lumens, 5 hrs