Out put power 3W, working pressure is 6V. working current 800-1000mA. Brightness is 100-120 lumen. Discharge time: 2 hours when strong beam and 4 hours when ordinary beam. Color: black or gun color Material aluminium Use RC123A battery The using life is: LED ≥100000 times, switch:≥10000 times Size: 132mm×26mm. Using CNC programmed machine,the UNIVERSE flashlights are made from aerospace-grade aluminum with Milspec black anodized finished.As the flashlight can resist water as the rubber O-rings are installed. As the importance of the bulb, HY TORCH use the best LEDs available,a product called Luxeon LED.The excellent light source can produce long span-life(over 100000 hours,which means you can continuous use it for over 10 years!).And its light efficiency is 5 times higher than regular incandescent bulb. more at