Ultra-powerful, rechargeable multi-beam headlamp. It features REACTIVE Lighting technology that automatically adapts light intensity to the needs of the user. 700 lumensWith 700 lumens of power, NAO sets the standard for night trails! It is intelligent, and entirely devoted to performance. During activity, with REACTIVE Lighting technology, NAO analyzes ambient light and instantly adjusts the brightness to the needs of the athlete. With energy optimized and manipulations reduced to a minimum, the trail runner can concentrate on the race! : 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 (6h30 or 12 h), brightness automatically self-regulates in two modes: MAX POWER and MAX AUTONOMYLamp 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 long-range vision- LOCK function to avoid accidentally turning it on during transit or storageRechargeable 2600 mAh Lithium-Ion battery:- universal charging with micro USB port- battery charge indicatorHeadlamp is very stable on the head:- adjustable headband is very comfortable- additional top strap for technical activities- Accessory belt kit for NAO allows the rechargeable battery to be moved to the belt to reduce the weight worn on the head, or to keep it warm in winterSpecifications:- Weight: 185 g- Technology: REACTIVE Lighting or CONSTANT Lighting- Beam pattern: wide, mixed or focused- Energy: 2600 mAh Lithium-Ion rechargeable battery (included)- Recharge time: 6 h- Battery compatibility: LR03- Watertightness: IP X4 (water resistant)- Certification(s): CE- Guarantee: lamp: 3 years, rechargeable battery: 1 year (or 300 charging cycles)- Packing: 1Lighting performance:Lighting technologyLighting modesBrightnessLighting distanceBurn timeReserve modeREACTIVE LightingMAX AUTONOMY305 lm 80 m 12 h 15 lm for 2 h MAX POWER700 lm 135 m 6h30CONSTANT LightingMAX AUTONOMY 120 lm 60 m 8 h MAX POWER500 lm 130 m 1h30If what you need is Petzl Nao 2, it is right here and for the best price. Petzl Outlet Factory Online Store UK has this and other running & triathlon products that you are looking for with the best quality. Do not let this opportunity pass and equip yourself to practice your favorite sport in the best possible conditions. With our variety of Lighting supports, you can find everything you need at one place.