... outdoor mountaineering fans top gear equipment • Use CREE XML-T6 SXO LED as light source,6500 K white ... that many people have used CREE Q5 flashlight, this XML-T6 bicycle light can match 5 CREE Q5's ... T6Nominal voltage: 7.4V/4400mAhBattery :4 *18650 Li-ionPower: XML T6Flux :1200LMWeak light flux :300LMUsage time: high for 4 ... flashing means short of battery, tips charge. CREE XML-T6 LED bicycle light