The Petzl Nao + Headlamp is a Smart and powerful head torch that shines in a broad range of outdoor applications. Designed as a strong, consistent and efficient lighting source, this headlamp outputs up to 750 Lumens through spotlight or flood beams. Aside from the two beam patterns, you can either operate in standard manual mode or Reactive Lighting Technology (RLT) mode. RLT mode Uses a photo sensor to regulate beam strength based on your environment, thereby extending battery life and improving efficiency. Separate from RLT mode, you can program custom settings to your Nao + through the MyPetzl Light application and Bluetooth connectivity. The USB rechargeable lithium-ion battery keeps you glowing for longer, while IPX4 water-resistance keeps it protected and functional through light rain and steady splashing. With a reliable High-Performance design and a robust set of Features, this headlamp is a great option for active pursuits including hiking, running, cycling, kayaking, and Climbing. Features of the Petzl Nao + Headlamp Customized beam pattern, burn time and brightness, thanks to the MyPetzl Light for Smart phone and tablet Access remaining burn time any time Adjust brightness and burn time Activate and create lighting profiles to suit the activity Headlamp comes with multi-activity lighting profile Four additional profiles available with the MyPetzl Light app: trail running, mountaineering, trekking, backpacking Headlamp connects through Bluetooth Smart (can be deactivated) Longer burn time, visual comfort and minimal handling thanks to REACTIVE LIGHTING Technology The light sensor automatically adjusts brightness and beam pattern, optimizing battery use depending on the chosen burn time (6.5 h or 12h), brightness automatically self-regulates in one of two modes: MAX POWER or MAX AUTONOMY Lamp can be used with CONSTANT LIGHTING Technology, which ensures constant lighting over time Multi-beam lighting: combines a wide beam for proximity lighting with a focused beam for longrange vision Red indicator light on the battery, in the rear, to signal location LOCK function to avoid accidentally turning it on during transit or storage Rechargeable 2600 mAh Lithium-Ion battery Universal charging with micro USB port Charge indicator and blue signal for Bluetooth Smart activation Headlamp is very stable on the head Adjustable headband is very comfortable Additional top strap for Technical activities