The Black Diamond skips some of the bells and whistles to provide a reliable light source that we are always happy to have in our pack. We always slip this headlamp into our pack before hitting the trail so that we know we have 300 lumens of light to help us get back to the trailhead in the event we have to stay outside longer than we planned. Lightweight headlamp designed to come along on any adventure300 lumens makes it easy to see the trail or around camp Multiple settings let you customize your lighting Rechargeable lithium-ion battery offers reliable power Recycled elastic strap locks in a secure and reliable fitStormProof rating fights back against blowing snow and rainDigital lock prevents the battery draining inside of a packPower Source1500 mAh Li-ionBatteries IncludedyesModesfull strength, dimming, strobe, brightness memoryLumens300Straprecycled elasticWaterproofIPX 4 StormProof (withstands rain and sleet)Includesdigital lockManufacturer Warranty3 years