With 350 lumens of power housed in a super compact, watertight body, the Black Diamond Cosmo Headlamp is perfect for urban adventures and overnighters in the woods. The Cosmo's new, compact body is more ergonomic with a lower profile for improved balance, and the updated user interface includes a second switch for easy lens selection. In addition, the updated optical efficiency not only provides brighter light, but also saves battery life. And thanks to its watertight construction, the Cosmo keeps lighting the way whether you're forced to bike home in the rain, or you're hiking back to camp in an unexpected downpour. FeaturesDual-Fuel: Power with three AAA Alkaline cells (included) or the rechargeable BD 1500 Li-ion battery and charger (purchased separately) for maximum flexibilityRed LED night vision has dimming and strobe modes and is quickly activated with dual-button interfaceSettings include dimming, strobe, red night-vision and lock modeMultifaceted optical lens designIP...