Product Details     Style: 620673 The Black Diamond Cosmo 350 Headlamp is an all-purpose light that feels all-powerful, thanks to the seriously stunning 350 Lumens of maximum output. That’s enough power to let you see up to 75 meters down the trail, but thanks to the dimmable design you can also fine-tune your illumination for just reading in bed without waking your partner. There’s even an integrated red LED, which allows you to see without cooking your night vision. The IPX8 waterproof housing lets it work through any weather, and thanks to the flexibility of the Dual-Fuel design you can always find the power to light up the night. FEATURES 350 Lumen maximum output provides powerful illumination in any environment IPX8 Waterproofing ensures your light stays bright in rain or snow, and can even survive brief immersion in water Dual-Fuel design allows it to run off the three included AAA batteries or a rechargeable BD 1500 Li-ion battery pack (sold separately) Dimmable design lets you strike the ideal balance of illumination and battery life for any situation Multifaceted optical lens design directs light where you need it, providing clear illumination up to 75 meters down the trail Strobe mode can serve as a brilliant beacon in emergency situations, with extended battery life Integrated Red LED allows for mild illumination that won’t destroy your night vision Integrated battery meter shows remaining battery level Adjustable elastic headband Digital lock keeps light off when stored, conserving battery Estimated 4.25 hours of light on the brightest setting, up to 200 hours in strobe Weighs approximately 2.9oz (83g) with included AAA batteries Three year warranty Black Diamond Cosmo 350 Headlamp