500 lumens in ‘boost’ modeAdjustable brightness (High350, Medium150, Low25 lumens)Bulb type: 1 x XPG2 Cree White LEDLight unit made from a hardwearing anodised aluminiumUSB Rechargeable Liion battery suppliedAlso supplied with Micro USB charging cableSingle elasticated, adjustable camo head bandBattery is positioned at rear in separate case (38mm x 102mm x 35mm), which also features single button operation red lightSide operation button for front lightCharging status indicator on rear: Red light indicates charging, green light indicates fully chargedWeight including battery 190gImportant Note: Recharge battery every 3 months if not being used for a long time. The battery will only reach full performance after a few complete charging and discharging cycles.