Brownings's brightest CR123A two-battery flashlight. Powerful CreeŽ XM-L white LED that never needs replacing. Lock-out tailcap switch with momentary, continuous and fast strobe modes. Non-slip body and finger retention ring. All-aluminum body construction with optically clear scratch resistant glass lens. Waterproof and submersible to three feet for 30 minutes. Has been drop tested to 1 meter. It has an incredible 36 hour run time on low output. The CR123A batteries operate to -40° F and have 10 year shelf life.