Classic bike light with a modern twist\n Built around a cylindrical housing that offers a compact and lightweight form factor\n Waterproof USBC with 2A+ fast charging capability is convenient for recharging (cable not included)\n Machined aluminum construction ensures durability and efficient heat dissipation\n Rigorously tested to IPX7 waterproofing standards, built to withstand various weather conditions\n Choose from 7 different output modes, from the highly disruptive Daytime Flash mode to the longlasting 45hour runtime in Femto Mode\n Infinite Light Power Pack+ compatibility offers versatility and extends runtimes