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For cavers looking for helmet and integrated light solution, look no further than the Trios Helmet from Petzl.
Features of the Petzl Trios Helmet Durable and comfortable Lighting is ensured by the rechargeable ULTRA VARIO headlamp Features of Ultra Vario headlamp Constant lighting: guaranteed lighting Performance that does not diminish during the entire rated battery life Switches to reserve lighting when rechargeable battery is almost discharged: Lights to 43 lumens for a minimum of 1 hour Low intensity Mode: Wide beam with relatively low intensity favors a long battery life and prevents blinding others Close-range work Mode: Wide beam with intensity adapted to comfortable close-range vision Movement Mode: Mixed beam offers a focused component for easily moving around Distance vision Mode: Highly focused beam for spotting (maximum range) Simple and comfortable to use: Rotating selector knob is easy to use, even with gloves, allowing quick access to the different modes Quick connection system makes the battery easy to remove High-Performance rechargeable battery is the optimal compromise between capacity and size, making it comfortable on the head 2600 mAh Lithium-Ion rechargeable battery offers excellent Performance at low temperatures Energy gauge allows monitoring of battery's charge level Light flashes to signal switch to reserve lighting mode
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Petzl integrated an Ultra Vario Headlamp on the Trios Helmet for cavers. With a focused beam to 210 meters, the Ultra Vario shines your way through the abyss. Four lighting modes help you conserve the ACCU 2 Ultra rechargeable battery's life, which is indicated on the energy gauge. The Vario's LED lighting switches to reserve lighting once the battery is near its end. Petzl made the Trios helmet's shell and the Vario's casing out of impact-resistant ABS that's waterproof to one meter for thirty minutes, and the polystyrene liner offers some cushion without adding much weight. Sliding ventilation slots ensure proper airflow, and the adjustable headband ensures a secure fit.