DUO RL, Ultra-powerful, rechargeable multi-beam headlamp featuring REACTIVE LIGHTING® technology. 2800 lumens - Petzl USA
DUO S, Ultra-powerful, waterproof and rechargeable headlamp, featuring Petzl's FACE2FACE anti-glare function. 1100 lumens - Petzl USA
![PETZL Plates for mounting DUO headlamp on cycling and mountain biking helmets - ExtremeMeters.com – Extreme Meters LLC. PETZL Plates for mounting DUO headlamp on cycling and mountain biking helmets - ExtremeMeters.com – Extreme Meters LLC.](https://www.extrememeters.com/cdn/shop/products/petzl-plates-for-mounting-duo-headlamp-on-cycling-and-mountain-biking-helmetse55920extrememeterscom-830675.jpg?v=1685902594&width=640)