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Petzl Announces Summer Availability
of the New NAO Headtorch

A sensor constantly monitors reflected light from your direction of vision and adapts the head torch output accordingly

Petzl America Press Release

FlashlightNews.org - 1/25/2012

Click photo to enlarge

Petzl Nao Headlamp

Petzl Nao Headlamp

LAS VEGAS, Nv. - The Petzl Nao is a new-generation head torch that represents a genuine step forward in hands-free lighting.

The Nao uses Petzl's innovative Reactive Lighting technology, providing light that automatically adapts to your environment. A sensor constantly monitors reflected light from your direction of vision and adapts the head torch output accordingly. This means there is no need to manually adjust brightness when switching between close or distant objects. The dual benefit is automatic optimisation of battery output, giving extended burn times. The Petzl Nao gives you the right light when you need it - automatically.

One of the big problems with today's head torches is the relationship between high-performance LED power consumption and battery capacity. The choices are limited; either unregulated light, giving rapidly diminishing light output, or regulated output where maximum power is only available for relatively short periods.

Petzl's Reactive Lighting technology allows your battery to optimise its output, only providing the power you need for the environment you are operating in. The result is that battery life can last at least three times longer than it would do under constant full power*.

The Petzl Nao features a front headset with twin LEDS and sensor, linked to the rear-mounted battery by the new Zephyr cord-lock headband. The battery is a 2300 mAh lithium-ion unit, rechargeable via an integrated USB plug. There is a belt kit version for the battery, plus a detachable top strap for additional stability when running.

Lighting is controlled via a large rotating on/off switch, which can be locked in the 'off' position. The switch allows the user to choose between Reactive Lighting or Static modes, with high/low output options in each. Static lighting gives a fixed output (non-reactive).

In Reactive Lighting mode the headset uses a single high-output LED in a wide-angled beam. In Static mode the headset uses both the wide-angled beam and a second high-output LED configured for a focused beam. Maximum power output is 355 lumens. Performance profiles can be customised via Petzl's OS 2.0 on your computer.

For 'emergency use', the battery pack will accept 2 x conventional AAA batteries. The Petzl Nao will be available in the UK in July and retails for £135.

*Required output will of course depend on ambient light and the pattern of your usage, ie how much you switch between near/far objects.

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