![]() ![]() Hold down Red to immediately turn off or after 3 sec, press either button to turn off. Within 3 sec, repeatedly press Power to cycle from low>medium>high>off. The headlamp has two buttons – Power and Red (R). ![]() The index is measured from 0-100, with a perfect 100 indicating colors under the light source appear the same as they would under natural sunlight. CRI (Color Rendering Index) is a measurement of how colors look under a light source as compared with sunlight. It’s great for short-range illumination, like reading a map. The auxiliary white light uses a neutral white LED with high CRI ≥ 90 for more vivid, natural color and reduced eye strain. Use low during star gazing or night photography, high for gear organizing or doing camp chores, or caution for a repeated short red flash. The red LED helps preserve night vision and won’t blind your friends. In addition to the main light, NU25 also has two auxiliary lights – red and white. Our optional UL headband reduces weight with full adjustability and functionality. The wide elastic headband is comfortable and highly adjustable to fit your head, hat, or helmet. The light tilts down up to 60˚ for reading or close-up work. NU25 has a micro-textured reflector providing 100˚ wide-angle flood illumination for outstanding night vision. And recharge by simply plugging into a power bank. With our exclusive UL headband it’s light as a feather at just 1.17 oz (33.0 g). A red LED preserves night vision and an auxiliary high CRI white LED is great for reading. The main LED has four brightness levels up to 360 lumens and a runtime of up to 160 hours on low plus two rescue modes. Nitecore® NU25 is a triple output USB rechargeable headlamp. Plug into a power bank battery to recharge.Integrated Li-ion micro-USB rechargeable battery.High CRI auxiliary white LED for more natural color.Main LED has 4 brightness levels + 2 rescue modes.Brightness up to 360 lumens, runtime up to 160 hours. ![]()
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