CreeXR-EQ5emitterPills(engine)canchoosefrom:1S,2SD,3SDorDI,1SM-1;pillsdetailscheckShutdownat2.7Vtoprotectlithiumbatteryfromover-dischargingLimitedreverseprotectionfor5secondsUpgradeableForwordclickySmoothreflector,OPoptionalTypeIIIhardanodizedfinishUsing1x18650,1x17670or1x168aDimensions:158mm(Length)x48mm(Head)x27mm(housing)Material:ConstructedofaircraftgradealuminumWaterproofWeight:185-gramweightGlass:ToughenedultraclearglasslenswithdoublefaceARcoatingGITDswitchcoverRemovableclip,Removableanti-rollingringColor:BlackPackage:GiftboxAccessories:Sparerubbercap(black),ExtraO-ringLED:美国CREE公司XR-EQ5目前全球LED手电中的最亮、射程最远的手电最低电压2.7V 最高4.2V 保护了锂电池 防止电池过放！使用1节18650、17670锂电池军规三级氧化HAIII 更耐磨尺寸：长158mm、头部直径48mm、筒身直径27mm防水设计重量：185克正向开关 2档调光