Genesis features a combination of a bright 3 watt Luxeon LED and a sophisticated lens system. This latest lens technology efficiently gathers all of the available photons from the LED and projects them forward, providing up to 45 Lumens of light output. The Genesis has an elastomer covered handle which ensures a firm grip and durability. Powered by 2-CR123 lithium batteries, the Genesis is current controlled to provide constant output and the tail cap switch offers momentary and constant power. Burn time: 20 hrs with 84 meter beam length and pattern. Waterproof to 1 meter. Weight: 5.5 oz. Limited quantity.