Specifications Know firstThe headband has been upgraded from a thin rope to a wide band LEDUHE LEDMaximum Brightness240 lumensPeak Beam Distance98 yardsPeak Beam IntensityFrom 1900cd upgraded to 2030 cdIP RatingIP66Impact Resistance1 mDimensionsL 2 42 xW 1 43 xH 1 14 Weight2 19 ozMODEOUTPUTRUNTIMEHigh240 lumen4 hrLow60 lumen10 hrUltralow6 lumen40 hrSOS240 lumen Beacon240 lumen Red10 lumen10 hrRed Flashing10 lumen Features NITECORE HA11 At A Glance240 lumen ultralight headlampInstant access red LEDSingle AA battery poweredReflective and phosphorescent shock cord40 hour runtime maxDesigned for Outdoor ActivitiesThe Nitecore HA11 Headlamp is the ideal for outdoor activities It produces up to 240 lumens of light that reaches 98 yards with 3 brightness levels giving you peace of mind on those late night runs or camping and hiking expeditions The secondary red LED can be instantly accessed for low light condition map viewing emergency response signaling or night photography Additionally the ultra lightweight shock cord is highly reflective and phosphorescent so it glows in the dark keeping you safe and visible at night Compact Ultralight HeadlampIt weighs only 1 27 oz with the battery included You can comfortably wear the headlamp for an extended period of time with the shock cord or use the included clip attachment to snap it onto a hat or backpack strap The unibody frame is impact resistant with a waterproof rating of IP66 ready for any tough outdoor environment