SUREFIRE L1 LumaMax Max Output: 65 lumens, Runtime: 1.5 hours White LED 2009 No Hassle Lifetime Guarantee: If it breaks, we fix it! LED light source has no filament to burn out or break, lasts for thousands of hours Rugged aerospace-grade aluminum body, Mil-Spec Type III hard anodized in olive drab Switch lockout prevents accidental activation during transport or storage