Specifications: Function: CREE XML T6 + 2*R5 LED Headlamp with 4 Modes Battery Supply: 2 x 18650 Battery One Button Switch (4 Modes): 1 x CREE XML / 2 x CREE XML / 3 x CREE XML / Flashing Charging Adapter: - Input:AC 90-264V - Output: 4.2v 500mA Product Dimensions(L x W x H): 58 x 83 x 45mm Package Dimensions(L x W x H): 115 x 110 x 100mm Product Weight: 217g Package Weight: 293g Battery: 2*18650 4200mAh 3.7V Rechargeable Li-ion BatteryAC Charger:EU/US/ AU plugInput:100-250V 50/60HzOutput:DC4.2V DC500mA Package: 1x LED Headlamp 2 x 3.7 Rechargeable Battery 1 x Charger (90v-264v) for this Headlamp 1x Car Charger