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Cosmo Headlamp

$29.95 $22.46
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Updated with 200 lumens of light and a modern waterproof housing, the Cosmo is sleek, super-bright and ready for any mountain adventure you can throw at it. READ MORE
Item# BD620635SLWTALL1
$29.95 $22.46



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Updated with 200 lumens of light and a modern waterproof housing, the Cosmo is sleek, super-bright and ready for any mountain adventure you can throw at it. Learn More


Featuring a redesigned waterproof housing and 200 lumens of power, the Black Diamond Cosmo Headlamp is perfect for any adventure where daylight is in short supply. From dinner in camp to alpine starts and late-night hikes, the Cosmo features six different lighting modes for fully custom illumination. And thanks to its fully waterproof construction, the Cosmo keeps lighting the way through sprinkles, splashes and full-on storms.

  • One TriplePower LED and one DoublePower white LED emit 200 lumens
  • Red night vision has dimming and strobe modes and activates without cycling through the white mode
  • Sleek, low-profile design uses three AAA batteries
  • Settings include proximity and distance modes, dimming, strobe, red night-vision and lock mode
  • IPX8: Waterproof-Tested to operate up to 1.1 meters underwater for 30 minutes. If submerged, water may enter the battery compartment and it will still operate, and it should be dried out completely afterwards.

Tech Specs

Lumens :   200
Weight With Batteries :   86 g (2.9 oz)
Max Distances :   [High] 65 m
[Low] 12 m
Max Burn Time :   [High] 45 H (est.)
[Low] 180 H (est.)
IPX Rating :   IPX8
LED Type :   1 TriplePower, 1 DoublePower, 1 SinglePower
Batteries :   3 AAA (included)

Headlamp Range

Cosmo Headlamp is rated 3.7 out of 5 by 25.
Rated 1 out of 5 by from Short circuits after a while? After some time the small white LED is now constantly on and baterries gets instantly so hot that you can’t hold a finger on them.
Date published: 2018-12-02
Rated 1 out of 5 by from Good UI, horrible quality Short and simple, this headlamp broke as soon as got it. The plastic around the battery door snapped as I opened the door. Now the door won't close. I really liked the features of the light, but the quality is just horrible. Save your money and get something better.
Date published: 2018-11-27
Rated 5 out of 5 by from This is great! I wanted hands free light while taking my two dogs out. I was trying to figure out what I should get and started looking at headlamps. A sales person recommended Black Diamond and I selected this. I am not disappointed! The distance is great and it’s very easy to use. I’m looking forward to using this for many years. This is great for country living.
Date published: 2018-11-13
Rated 1 out of 5 by from Terrible design I've had lots of headlamps and the Cosmo takes the cake for cheapest construction and shortest battery life. Not going black diamond again.
Date published: 2018-10-09
Rated 5 out of 5 by from Awesome Headlamp! I bought the Cosmo 160 over a year ago and it's been on many backpacking, trekking and global adventures! Now with a Cosmo 200 thanks to Black Diamond, I'm ready for more adventures!
Date published: 2018-10-05
Rated 1 out of 5 by from Cosmo 200 It sucks. All I want to do is be able to read in the dark. For some reason the red strobe is on every time I touch the top button. The user instuctions are useless in explaining how to get back to the white light. The video explains nothing about how to correct this. I am returning it to REI and buying something else.
Date published: 2018-10-04
Rated 5 out of 5 by from Great I’m very pleased with this item. The multiple settings is great.
Date published: 2018-09-30
Rated 5 out of 5 by from Great Headlamp I had 2 different headlamps before this one that were supposed to have swipe technology - but that does not work when setting up a tent in the dark and in the rain (with wet muddy hands) This one is built to take outside with an easy button to use on the top, adjustable band to fit all head my kids often want to borrow mine. Just used it last week on our first camp out of the season & it worked great every time! Durable construction (if dropped it stayed together) & easy to use!
Date published: 2018-06-28
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