Combo: Nitecore HC35 Rechargeable LED Headlamp -2700Lm w/NL2150HPR & NL2140 Batteries +Eco-Sensa USB Charging Cord & UI1 USB ChargerSpecifications:One switch controls 5 brightness levels and 3 special modesStrobe mode uses randomly changing frequencies for stronger dizzying effectsThe power indicator beneath the switch indicates the remaining battery power and will also display the battery voltageWide range flood optic system of 100 illumination angle specially designed for outdoor applicationsBuilt-in Li-ion battery charging circuit with a micro-USB portIncorporated Advanced Temperature Regulation moduleSpecially designed lightweight and breathable headbandElectronic reverse polarity protectionConstructed from aerospace aluminum alloyHA III grade hard-anOutput / Runtime / Throw:Turbo:2,700 lumens / 45 minutes* / 134 meters (when using a with an output over 8Amp)High:800 lumens / 3 hours / 73 metersMedium:270 lumens / 8 hours 15 minutes / 40 metersLow:40 lumens / 52 hours / 14 metersUltra-Low:1 lumen / 1,200 hours / 3 metersStrobe:2,700 lumensBeacon:2,700 lumensSOS:2,700 lumensPeak Beam Intensity:4,500cdDimensions:Length:5.05" (128.2mm)Head Dimensions:1.14" x 1.25" (28.85mm x 31.77mm)Tube Diameter:1.02" (26mm)Tail Diameter:1.11" (28.3mm)Weight:4.89oz (138.5g)Value Bundle Includes:Nitecore HC35 Rechargeable LED HeadlampNitecore Rechargeable Battery (NL2140HP 4,000mAh)NITECORE NL2150HPi Li-ion Battery - i Series Battery - 5000mAh - 3.6V - 15ANitecore UI1 Portable USB ChargerSpare O-ringClipHeadbandBracketEco-Sensa USB CordLanyard ...