Designed for demanding, fast-paced activities such as trail running, skiing and mountain biking, the Petzl Ultra Rush Accu 4 Belt headlamp has 6 powerful LEDs that throw a stunning beam up to 140m.Belt Accu 4 version of the Ultra includes a 5,200 mAh rechargeable lithium ion battery as opposed to the 2,600 mAh battery that's included with the standard Ultra51 in. long cable allows the battery pack to be carried in a pocket, keeping the weight on the head to only 8.1 oz.; battery pack weighs 9.3 oz.Ultra Rush has 4 brightness settings with a light output of up to 700 lumens to meet the needs of nighttime explorersHeadlamp throws a bright beam up to 140m on high and 37m on lowLight selection dial is easily adjusted while on the move; switch the dial to the lock setting when transporting the headlamp to avoid accidentally turning it onRechargeable lithium ion battery pack provides 4 hrs. of use on high and 73 hrs. of use on lowLight automatically switches to power reserve mode when the batteries get low, buying you an additional 1 hr. of use with an output of 35 lumensEnergy gauge located on the battery pack indicates in bar-graph form how much battery power remainsIncluded battery charger fully recharges the battery pack in only 5 hrs.; charger includes European and American outlet adaptersLithium ion batteries continue to work well at cold temperaturesRugged body keeps the light operating in the worst weather; IP67 rating indicates protection against submersion down to 1m for 30 min. and complete protection against dustHeadlamp is constructed with excellent resistance to falls, impacts and crushingStretchy side and top straps adjust to securely fit on your head or climbing helmet; front and back stabilizing plates help hold the light steadyPetzl Ultra Rush Accu 4 Belt headlamp can be mounted on a bike helmet or bike handlebar using mounts that are available separately from Petzl Please note: Petzl products can only be shipped to U.S. addresses.Imported. Item 849186