Whether we are hiking, camping, skiing, snowboarding, or climbing we make sure to add the Black Diamond Spot 400-R Headlamp to our preparation checklist. The digital lock function prevents the battery from draining while we go about our business in the daylight so that we can rest easy knowing we will have up to 450 lumens to work with as the twilight hours descend. Versatile headlamp ready for day-long adventures of any kindLED bulbs create crisp and clear illumination Multiple modes allow you to adjust to the situationBrightness memory returns the beam to its previous settingIntegrated battery meter shows the amount of energy leftRecycled strap offers a secure fit over hats, helmets, and headsDigital lock mode prevents the battery from draining in your packBulbs3 LEDPower Source1500 mAH Li-ionBatteries IncludedyesModesproximity, distance, dimming, dtrobe, red night-vision, digital lockLumens305 - 450Distance86mBurn Time[low] 8hrStraprecycled elasticWaterproofIP67, 1m underwaterIncludesbattery, strap, lampClaimed Weight4.2ozManufacturer Warranty3 yearsActivityhiking, camping, backcountry skiing, backcountry snowboarding, backpacking