Designed specifically for users who need high light output, but use their lights at close range With a more dispersed light pattern, the LightStar300 will not blind you with reflected light arms length. Batteries, pocket clip, and wrist lanyard included. Dual mode 300/100 lumen output Approximate runtimes: 3 hours on high & 24 hours on low Beam pattern: Wide spill with broad hot spot in the center Comes with 2AA alkaline batteries, pocket clip, and attached wrist strap Click on/off, tap button to switch modes Water resistant Aircraft grade aluminum Length: 6in./15.24cm. Diameter: .875in./2.22cm. Weight: 5.3oz./150.25g. with batteries Limited lifetime warranty