79.5g, 460 Lumens: The Nitecore NU35 is a dual powered working headlamp that has a max output of 460 lumens. The NU35 has a built-in 590mAh Li-ion battery as well as compatibility to insert an additional 3 x AAA batteries for longer run times. With the dual batteries you can get up to 10 hours of run time on high mode. The built-in battery can be recharged via the included USB-C charging cable and you can also still access turbo mode while the headlamp is charging. This headlamp is ideal for work environments such as maintenance, construction, emergency, search and rescue as well as for outdoor activities and camping. The NU35 uses TrueVision technology which eliminates the central hotspot and creates a consistent and balanced light. The main light source of the NU35 gives you 4 levels of brightness from 1 lumen to 460 lumens. The NU35 also features an auxiliary red light which is independently controlled and is useful for protecting your night vision as well as the auxiliary high CRI white light for short-range illumination. Other features of this headlamp include its lightweight headband, power indicator, durable construction, IP66 dustproof and waterproof rating and 1 metre impact resistance. 4 Brightness Levels - 3 Light Sources - 3 Special Modes