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Black Diamond Cosmo225 Headlamp

SKU# BDI_11232

The new Cosmo225 Headlamp is ideal for urban adventures and overnighters in the open and its waterproof housing means it can handle unexpected downpours or storms. It has a new lower, more ergonomic, profile for better balance and comfort, an updated interface that includes a secondary switch for easy mode selection and an updated optical efficiency gives you brighter light (maximum of 225 lumens) while saving battery life.

Availability: In stock

  • Aluminium
  • Azul
  • Black
  • Citrus

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  • Red night vision has dimming and strobe modes and activates without cycling through the white mode
  • Compact, low-profile design uses three AAA batteries (included)
  • Settings include proximity and distance modes, dimming, strobe, red night-vision and lock mode
  • Multifaceted optical lens design
  • 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.


Maximum Output 225 Lumens (high), 160 Lumens (medium), 6 Lumens (low)
Beam Range 72m (high), 50m (medium), 8m (low)
Burn Time 6 hours (high), 17 hours (medium), 200 hours (low)
Water Resistance (IPX Rating) IPX 8
Weight with Batteries 83g
Batteries 3 x AAA (included)


Ensure that your headlamp is clean and dry before and after each use and before storage. DO NOT STORE A WET HEADLAMP. To dry it, turn your headlamp off and open the battery door. Remove the batteries and allow the housing to air dry thoroughly before closing it.

  • Do not artificially heat your headlamp to dry it
  • If your headlamp has been exposed to salt water, it must be rinsed with fresh water then dried and assembled to prevent corrosion
  • Use a mild soap and freshwater rinse to clean the elastic strap
  • Do not clean in washing machine, dishwasher or with a high-pressure hose
  • Do not scrub with abrasive substances or surfaces
  • If the battery contacts are corroded, remove the corrosion by sanding lightly with a fine-grain emery cloth


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