Description:FeaturesAdjustable BrightnessSOS ModeLight SourceLEDLight Output24 LumenPower SourceBatteryBatteries1 x AAPackage ContentsGlaceir 491 x AA batteryTechnical Information:General InformationManufacturerBrunton, IncManufacturer Part NumberFGLACIER49Manufacturer Website AddressBrand NameBruntonProduct LineGlacierProduct NameGlaceir 49Product TypeHead LightTechnical InformationLight SourceLEDLight Output24 LumenFeaturesAdjustable BrightnessSOS ModeBattery InformationBatteries1 x AAPower DescriptionPower SourceBatteryMiscellaneousPackage ContentsGlaceir 491 x AA battery