Petzl Nao RL Head Torch - BlackPetzl's Nao RL is an ultra powerful and rechargeable head torch with Reactive Lighting tech for long distance running. Making light work of dark paths, the Nao RL provides 1500 lumens of brightness. Reactive Lighting automatically adapts brightness to your environment. This minimises manual switching and optimises burn time. Reactive Lighting technology can be toggled on and off with a single switch. A rear red light improves visibility and can be