Black Diamond Cosmo Headlamp Review

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Black Diamond Cosmo Headlamp

Category: Electric Headlamps, Brand: Black Diamond , Model: Cosmo Headlamp
Black Diamond Cosmo Headlamp
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Rating: 4.3 / 5 stars
(on 62 Amazon's customer reviews)
Release date: 2016
Basic Info:
Weight: 0.6 oz
17 g
Type of Bulb: LED
Light flux: 200 lm
Light length: 40 ft
12 m
Adjustable strap:
Battery type: 3xAAA
Lighting modes: 6 modes
ON/OFF button:
Practice for: Hiking, camping, diving
zoom in/zoom out:
Amazon's price:
31.11 $
Item URL for sale

This is one of the best headlamps if you prefer the red light night vision setting. You can also use it in six different settings to ensure you achieve your preferences. It is also waterproof and can easily be used underwater if you intend to go diving with it, but you will only be limited to 3.3 ft. One of its drawbacks is that it is powered by batteries that are not rechargeable which will make you incur huge replacement costs over time since they deplete very fast.

Video Review


It LED light emits a very bright light of 200 lumens.

You can use it underwater since it is waterproof thus it is ideal for snorkeling.

You can adjust it using six different settings to achieve your preferences.

You can use it in the red night vision in case you want to move unnoticed.


It is powered through the use of batteries which can get depleted very fast leading to huge replacement costs.

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