... Waterproof :IP65 2.Battery rechargeable 3.4 work modes super bright led bike lighting (CE,RoHS) Model NB04FeaturesThis Lamp uses ... lithium battery 8.4V 11AHRuntime 2.5 hoursCharging time 4.5~5.0 hoursWaterproof Level IP65Finish Third grade ... AnniePackageAccessories Included:Battery Pack,Charger,O-rings,giftbox,Helmet mount,Headlamp tape,Instrution.Optional Accessories:Other Helmet mount,Helmet bands, ...