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Black Diamond Iota Headlamp

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Black Diamond
RRP: $39.95
$29.96 (You save $9.99)
0.20 LBS

 Product Description

A light that easily fits in the palm of your hand, the Black Diamond Iota is the daily driver for quick-hit morning trail runs, post-work ridge scrambles and urban adventuring. Emitting 150 lumens on the max setting with an average three-hour burntime, the lithium ion rechargeable battery eliminates waste, and an IPX4 rating protects against splashed water from any angle. Powertap Technology allows for fast, easy brightness adjustments, and a lockout feature safe guards your battery life.


  • 1 DoublePower LED with 150 lumens (max setting) projects a strong, oval beam
  • Powered by a lithium ion rechargeable battery (TK-hour USB charge time)
  • Settings include full strength, dimming and strobe
  • PowerTap Technology allows fast and simple transitioning between full and dimmed power in order to instantly increase illumination in distance or proximity modes
  • Three-level power meter shows remaining battery life for three seconds after switching on headlamp
  • Lockout feature safe guards against accidental use when stored in a pack or pocket
  • Protected against splashing or sprayed water from any angle (IPX 4)


Lumens:  150

Weight:  56 g (1.9 oz)

Max Distances:

[High]  40 m
[Low]  7 m

Max Burn Time:

[Low]  40 hrs. estimated
[Average]  22 hrs.
[High]  2 hrs.

IPX Rating:  x4

Led Type:  1 TriplePower

Batteries:  Rechargeable lithium ion

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 Product Reviews

  1. Great UL headlamp

    Posted by Mooseman on 17th Feb 2018

    Although it only puts out 150 lumens, I find that it is plenty for my needs. I love the fact that one can dim it as much as needed. I also like the "tap" feature where I can quickly change from my low setting while eating in the dark to maybe 60% brightness to see what the noise in the bushes is (I hate when a grizzly interrupts my dinner). It can be programmed to come on at the same brightness as when you last turned it off. I turn it off at the lowest setting, and when I turn it on again, I will set the brightness where I need it. I have modified it to be attached to the back of a ball cap, or my pack's sternum strap for night hiking, eliminating the need for the included strap. This drops the weight to 1.4 oz., which is extremely light. I wanted a backup light, and Karst was the only vendor that had the color I wanted. Quick service too.

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