As the product name suggests, we have gone all-in with this lamp and combined all the functions required for year-round working, training and competition, providing 2200 lumen. An extremely powerful battery enables the user to complete a 90 km overnight race without worrying about running out of light. Quick and easy to use. Equipped with smart accessories that allow you to move the head lamp quickly and easily between a head frame and helmet. The pack includes 2 batteries, one version for the neck plus an extremely powerful version that provides absolutely amazing burning times.