Richly&reg;3200 Lumen 2x CREE XML U2 LED Cycling Bicycle Bike Light Lamp HeadLight Headlamp(with 6400 mAh battery pack&charger&Head/Helmet Band &Spare O-ring) Richly3200 Lumen 2x CREE XML U2 LED Cycling Bicycle Bike Light Lamp HeadLight Headlamp(with 6400 mAh battery pack&charger&Head/Helmet Band &Spare O-ring) Aluminum alloy casing, avoiding high temperature, anti fall off. Slightly click the switch to change the brightness modes, LOW - MID - HIGH. Luminous Flux: 3200lm (Maximum),Lifespan: 50,000 hours,Feature: More condensed light, long exposure distance. Richly After Service: 30 Days Money Back Guarantee, 12 Months Warranty!