Whats in the box1 battery pack 1 lanyard 1 mounting bracket 1 ac charger 1 headlamp typefront bike light bike lights headlamps power sourcebattery ac charger battery type18650 total batteries4 emittercree xm l t6 total emitters3 switch mode4 high mid low strobe applicationmultifunction cyclingbike campinghikingcaving body materialaluminum alloy maximum brightness lumens2400 runtime hr1800 range distance m200 500 light bulb typeled batteries included