1.Logo: sunsfire or we can engarve customer LOGO 2,You can choose whether need the mount, mouse rail 3,Battery: CR123/18650 Max Output: 70/210 LumensRuntime: 32/4 hours   Low/High settingsLength:5.52 inches  (140mm)Weight:5.64 ounces  (160g)Battery: Two CR123A  lithiums/one 18650 Rechargeable lithium-ionLight Source: GREE Q5 LED, made in the US, is impervious to shock for 100,000 hours lifetimeEffective Range in pure darkness: 240mFunction: five grades of adjustment with moderate, weak, strong, stroboscopic light and SOS signal in turns.

2011 new Tactical outdoor LED flashlight