The Gerber Cornea flashlight has an LED that has a 50,000 hour life expectancy. It can light a path that has a 15% more effective range than its competitors. The beam is adjustable from 83 to 230 feet, and you won't find a black hole in the center like other beams. The shell is made of hard anodized aluminum. On the back of the light is the on/off switch and a lanyard hole.
Gerber 22-80105 Technical Specs: