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Duo S Headlamp

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Duo S Headlamp

Petzl designed the Duo S Headlamp to brighten some of the darkest places in the world. It offers powerful, reliable lighting for caving, backpacking, cycling, mountaineering, trail running, rappelling in the dark, or walking the dog at night, although that may be overkill.

The headlamp features Petzl's own Face2Face technology, an anti-glare function that automatically dims the light when two or more beams cross so multiple users won't blind each other. In addition, the headlamp offers five modes: a low-intensity flood beam to maximize battery life, a mixed beam that is designed for proximity vision, a focused beam for movement, a powerful beam for anticipating the terrain when you're moving rapidly, and a high-focus long-distance beam.

A rechargeable battery makes the headlamp ideal for travel and longer adventures. Since it charges in four hours, you can throw it in the charger overnight to always ensure you have full power when you need it. The control button is easy to operate, even with gloves on, and a lock mechanism prevents the headlamp from accidentally turning on in your pack. And, with water-resistance down to 3.28ft and high impact-resistance, its built to handle whatever you may find on your travels.


  • Don't get stuck in the dark with this powerful headlamp
  • Five modes provide adaptable lighting for any adventure
  • Battery fully recharges in four hours
  • Waterproof- and impact-resistant design for demanding adventures
  • Face2Face function makes group activities safe and comfortable
  • Easy to use, even with gloves
  • Item #PTZ007B
Power Source
Lithium-Ion ACCU 2 battery
Batteries Included
low-intensity flood beam, proximity, movement, rapid movement, distance
Burn Time
[focused] 4.5h, [flood] 23h, [mix] 6h
detachable, washable
3.28ft for 30 minutes, fresh water
Lithium-Ion ACCU 2 battery, 10/240 V wall charger, headband
Claimed Weight
Manufacturer Warranty
3 years

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