The simplified, multi-function design provides dynamic flexibility without confusing complexity. The H1X Proxima's 80 lumen LED blub runs 90 minutes on high setting and 100 hours on low from one three-volt battery. The Proxima is constructed from anodized aluminum with precision focused machines aluminum reflector. The light features constant, strobe and dimming modes. Water resistant to 5 meters (15 feet), it is 4.2 inches long, 1.3 inches bezel and has a one inch body to fit a standard one inch ring mount.