... . Specifications:1, LED Chip: CREE TR-6 900LM2, Integrated digital circuit board control3, Three lighting modes: (1) High brightness lighting (2 ... aluminum alloy, all-metal manufacturing8, Surface: Army Regulation oxidation color: Asian black9, 4x18650 battery capacity: 4400mAh10, Voltage: 8.4V ... bicycle2, Worn on one's head by headband high brightness led bicycle light and head light with cree chip MI ...