Using a 3-Watt 100, 000-hour T bin Luxeon Led, no need for a fragile incandescent bulb
Maximum brightness: 80 Lumens
One 3V CR123A or two 1.5V AA battery
Three stage output.
4-hour working time(1.0-hour peak brightness)
153mm(L)*26mm(D)or 88mm(L)*26mm(D)
Constructed of aircraft grade aluminum
Type III hard anodized finish, highly durable
Waterproof
Toughened ultra clear glass lens with AR coating
Push-button tail cap switch