DUO S headlamp Petzl

The DUO S headlamp is a very powerful high-end headlamp fitted with an Accu 2 3200 mAh battery. Adapted for caving, the DUO S headlamp can be worn directly with the headband or attached to a helmet using the front/rear mounting plates available as an option.

• Robust frontal

- waterproof up to -1 meter for 30 minutes in fresh water (IP67)
- Resistant to shocks, falls and crushing

• Five Constant Lighting modes and a Boost mode to adapt the lighting to any situation

- low intensity wide beam lighting for long battery life (23h)
- mixed beam lighting with an intensity adapted to comfortable proximity vision
- mixed-beam movement lighting provides a focused component for efficient navigation
- more powerful mixed-beam fast moving lighting to anticipate the terrain
- distant vision with a very focused beam allowing you to see far away
- Boost lighting for a maximum output of 1100 lumens

• Rechargeable battery 2

- latest generation 3200 mAh Lithium-Ion lithium-ion battery rechargeable in 4 hours by mains charger
- charging status indicator
- removable battery, possibility to opt for several batteries to increase the autonomy in expedition

• FACE2FACE anti-glare function

this very interesting function allows people using lamps from the DUO range to face each other without dazzling, the light output automatically decreases when two or more beams face each other

• Reliable front end with practical functions

- stable frontal thanks to the remote energy box at the back of the head
- large ergonomic button for use even with gloves
- automatic switch to reserve mode when the batteries are almost empty
- automatic locking to prevent accidental ignition during transport and storage


The Duo S headband is detachable and machine washable.

Mounting plates for caving and bicycle helmets as well as for bicycle handlebars are available as an option.

The Duo S can be attached directly to the Boreo Caving helmet which has a mounted mounting plate.

• Lighting performance




• Compatible Accessories