The Petzl DUO S headlamp is a hands-free lighting solution that features FACE2FACE technology – an auto-dimming option that reduces the lumen output when multiple beams cross. The DUO provides five lighting modes to adapt to most work environments; BOOST mode can temporarily output a maximum power of 1,100 lumens. Lithium-ion batteries are quick to recharge as well as easy to remove and replace. Weighing only 13 ounces, the DUO is waterproof up to 1 meter for 30 minutes in fresh water.
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