Ledlenser NEO10R Headlamp is focusable, with a swivel head, it can be adjusted to any circumstance in order to provide constant illumination via Constant Current Mode The headlamp features sporty design makes this lamp a true legend This headlamp has 3 light functions: Power, Mid Power, Low Power The headlamp has front switch and 2 special functions: Rear light & Transportation lock This headlamp has 2 energy management: Low battery warning & Charge indicator IP ratings define the protection of the products against the penetration of foreign particles (mainly dust, dirt) and water This headlamp is powered by 1 x 18650 3.6V The headlamp has 1 x Xtreme LED, 600 lumens and a maximum lighting range of 150 meters