This product is not available.

Shop similar products

With a maximum light output of 70 lumens, the Black Diamond Cosmo headlamp delivers a high-quality beam that is well-suited for night hikes, route finding and use around the campsite.

  • Features

    • 1 central DoublePower LED throws a 70 lumen beam a maximum distance of 40m; 2 proximity LEDs throw a 16 lumen beam up to 25m or down to 6m for activities around camp
    • Set the brightness of the light to meet your needs with the dimming switch—simply hold down the on/off button to activate dimmer
    • High-quality lens tunes the light output and shape of the beam to make the Cosmo ideal for general outdoor use
    • Use the on/off button to navigate from the bright DoublePower LED, to the 2 proximity LEDs and then to the strobe function
    • Switch to the single red LED to look at maps or read a guidebook without ruining your night vision
    • Streamline design sets the beam at an efficient illumination angle; ratcheting swivel head aims light where you need it
    • Compact design fits securely around the head with an adjustable elastic band that won't pull hair
    • 3 AAA batteries (included) provide up to 250 hrs. of use on low and 43 hrs. on high; battery compartment is just behind LEDs for a compact design
    • IPX4 water-resistant construction ensures the Black Diamond Cosmo headlamp will work in inclement weather


    View all Black Diamond LED Headlamps
  • Technical Specs

    Best Use


    Bulb Type


    Bulb Detail

    High-output LED/2 LEDs

    Red Light Mode


    Beam Type



    Max Light Output (Lumens)

    70 lumens

    Light Output

    High: 70 / low: 4 lumens

    Max Beam Distance (m)

    40 meters

    Beam Distance

    High: 40 / low: 6 meters

    Brightness Levels

    2 + dimmer



    Average Run Time

    High: 43 / low: 250 hours




    3 AAA


    2.27 x 1.69 x 1.4 inches

    Weight With Batteries

    3.2 ounces

  • Reviews

    Loading Reviews...
  • Questions & Answers

    Loading Questions...