Specifications LED4 dual core MCT LEDsMaximum Brightness800 lumensPeak Beam Distance164 yardsPeak Beam Intensity5632 cdIP RatingIPX6Impact Resistance1 mDimensionsL 2 87 x W 1 69 x H 1 5 Weight3 53 ozBrightness OutputPrimary Light Neutal White Warm Cool White MODEOUTPUTRUNTIMETurbo800 lumens2 hrsHigh500 lumens3 hrs 30 minsMid280 lumens7 hrsLow100 lumens15 hrsUltralow8 lumens65 hrsAuxiliary Red Light MODEOUTPUTRUNTIMEHigh15 lumens11 hrsLow5 lumens34 hrs 30 minsSlow Flashing15 lumens Primary Light Neutal White Light MODEOUTPUTRUNTIMETurbo800 lumens High800 lumens Compatible Power Sources BATTERY TYPESIZENOMINAL VOLTAGECOMPATIBLENitecore HLB1500 RechargeableLi ion Battery Pack3 85 VRecommendedPrimary Alkaline BatteryAAA1 5 VCompatibleRechargeable Ni MH BatteryAAA1 2 VCompatibleRechargeable LFP Battery104003 2 VIncompatibleRechargeable Li ion Battery104003 7 VIncompatible Features 1 See Comfortably in Every Outdoor SituationThe Nitecore HA27 UHE headlamp is designed for outdoor users who care about how they see not just how bright their light is Instead of locking you into a single harsh beam the HA27 UHE offers three selectable color temperatures warm neutral and cool so you can choose the right light for the task at hand From relaxed camp chores to active night movement it delivers comfortable eye friendly illumination you can rely on for hours 2 One Headlamp Three Lighting ExperiencesWarm light with high color accuracy makes it easier on the e