Reduced environmental impact: the entire lifespan of a CORE rechargeable battery is equivalent to that of 900 standard batteries

An issue that the AIRFIT design resolves is the amount you sweat in a conventional elastic band. Due to its low surface area, it feels much more bright and breezy than a traditional headtorch. In many ways I find it strange writing this, because of the fact that sweating through a headband wasn't really something I'd ever considered, but it's certainly something you notice once you've worn the IKO. batteries. The lamp detects the energy source and adjusts lighting performance (IKO CORE with CORE rechargeable

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At 500 lumens, the IKO's brightest setting is indeed bright and features an even, broad and pale beam courtesy of its multiple LEDs. As well as shining far, the breadth of the beam extends so that you've got plenty of peripheral vision down towards your feet and out towards the sides. When it comes to the distance of the beam, I always find the figures quoted to be difficult to quantify in reality, as varying conditions - rain, drizzle and mist - have a huge impact, but in good conditions Petzl suggest the IKO has a range of 100m, which sounds about right. At Max Power the IKO's battery will last 2hrs 30mins, after which it will automatically go down to 6 lumens (rather than simply turning off altogether).

distribute the weight of the headlamp over the entire head, making it balanced and comfortable enough to be almost

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As a bonus, the slim frame means that in hot weather, there’s less skin covered by a sweaty headband and nothing to absorb that sweat and get damp and nasty. All in all, it’s impressively stable and planted with no nodding or slipping and so light and balanced that you barely notice that it’s there. It will also, it says here, work with all Petzl climbing helmets. The multiple LED design makes for a great beam of light and there are enough settings to alter the output and style of beam to suit a range of activities. It comes with a rechargeable battery that is lightweight and fast to recharge with a USB connection. This is the most comfortable and versatile head torch I've ever used and it excels in activities where you are moving a lot, such as trail running. HYBRID CONCEPT design: IKO CORE comes with the CORE rechargeable battery and also works with three standard batteries. The lamp detects the energy source and adjusts lighting performance (IKO CORE with CORE rechargeable battery= 500 lumens, IKO CORE with standard batteries = 350 lumens) More good news, that single button control is pretty much idiot-proof, one press gives you low, another toggles up to medium, and a further squeeze gives you high-beam.