500 mAh Battery: lighting 3 packs of cigarettes .It is very rarely to see such high capacity in the market. Triple Arc：much more efficient than dual arc.Super cool and much fun to use. USB Rechargeble: say goodbye to those traditional lighters.Environment friendly and saves much money. Windproof: no problem at all for lighting in 25 mph wind on top of a mountain. Super cool: elegant design and beautifully packaged.