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Black Diamond Cosmo 300 Headlamp

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Our Price: $29.95

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The Black Diamond Cosmo 300 Headlamp is a little headlamp that packs a mean punch. With 300 lumens of power housed in a super compact, watertight body, the Cosmo 300 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.

Key Features

  • Emits up to 300 lumens on max setting
  • Compact, low-profile design uses three AAA batteries, included
  • Multifaceted optical lens design
  • Digital lockout feature safeguards against accidental use when stored in a pack or pocket.
  • Red night vision has dimming and strobe modes and activates without cycling through the white mode
  • Settings include proximity and distance modes, dimming, strobe, red night-vision and lock mode
  • IPX8: Waterproof-Tested to operate at least 1.1 meters underwater for 30 minutes. If submerged, water may enter the battery compartment and it will still operate; it should be completely dried out after use in wet conditions.


Lumens [High] 300
Weight With Batteries 83 g
Max Distances [High] 74 m; [Low] 8 m
Max Burn Time High 6.5 hours Low 200 hours
IPX Rating IPX 8
Batteries 3 AAA (included)