1,500 lumens of power and only 145 g to light your way! The multi-beam headlamp Nao RL is part of Petzl's performance range. Developed for technical and demanding practices, the performance range is perfectly suited for the following activities: trail running, mountaineering, expeditions, ski touring, or multi-activity raids... Walking, running, climbing, exploring becomes possible even in the middle of the night! The Nao RL headlamp is not only ultra-powerful but also extremely intelligent. It features Reactive Lighting technology that provides adaptive and powerful lighting. The lamp is equipped with a sensor that assesses ambient light and instantly and automatically delivers the necessary lighting power to meet the user's needs. With the Petzl Nao RL, tackle the most ambitious trails without ever losing sight of your path! Power: 1,500 lumens Technology: REACTIVE LIGHTING® or STANDARD LIGHTING Beam type: wide or mixed Power source: rechargeable Lithium-Ion battery 3200 mAh (included) Charging time: 3 h 30 Water resistance: IPX4 (weather-resistant) Weight: 145 g Petzl Nao RL - Headlamp