The NU33-LE has a user-friendly dual button interface allowing you to turn the light on/off and smoothly access the light sources using the mode button. It also comes with a power indication that can be accessed with a short press of the mode button. This headtorch is perfect for night running, outdoor adventures and camping. I was already a fan of the NU series of headlamps and this NU33 has solidified my love of these lights. It takes everything that was great with the previous NU series lights and makes improvements to the UI, charging interface, and construction. It also offers excellent, useful modes that are well-spaced and easily accessible. Best of all, it goes hard on useful outputs with useful runtimes rather than chasing impressive lumen claims to print on the box.

Compact and lightweight without compromising on performance and durability, the NU33 is ideal for night running, camping and other outdoor adventures. The auxiliary light modes, high CRI and red, are both useful. That usefulness is maximized by the fact that they are both directly accessible when the light is off meaning there is no need to cycle through the brighter modes, which is a truly great feature of a great UI. As well as the primary LED, there are also two high colour rendering (CRI ≥ 90) side LEDs that provide 22 lumens output of warm white light with a colour temperature of 4500 K, that resembles the profile of natural sunlight thus giving a sharp visual while also reducing eye strain, making it perfect for up close work such as reading. Next to the CRI LEDs are two red side LEDs that are useful for preserving night vision and activities such as night photography, astronomy and wildlife observation. Was a Great headlamp, perfect for mountain biking in the dark until it burned a hole in my ski bibs.To ensure you know when it's time to recharge, the NU33 has a built-in power indication which is access by a short press of the mode button. The LED lights show as follows: I bought this light because of its compact size and light weight. I use it for night mountain biking. I also chose it because it can run up to 4 hours at 700 lumens which is brightest longest running light is its class. 700 lumens is about the minimum for night activities faster than walking speed. Some compact lightweight headlights are 1000 lumens or higher, but only run for a short time before dropping down to a lower setting (what's the point of that?) Gave it 4 stars due to not having tested its claimed battery life and its too soon to know if it will crap out. So far I am pleased with it.

A full charge takes approximately 1 hour, 20 minutes when charging using an adaptor with a 5 V, 1 A output and the torch is turned off. The torch can be turned on while charging, but charging will take longer and an adaptor with a 5 V, 2 A output will need to be used. The charging of the lithium-ion battery is not affected if AAA batteries are installed in the torch, as they sit in a separate compartment. A built in power indicator light in the button flashes to show the remaining battery power when you press and hold the R button for one second while the torch is off.

Triple Output Headlamp

The head torch has a maximum output of 700 lumens from high performance LED and is powered by a built-in 2000mAh li-ion battery. In addition to the main white light, the NU33 also offers an auxiliary red light and high CRI white light. Although ultralight and compact, the headtorch has a durable and rugged construction with the front housing created from aluminium metal, providing high efficiency heat dissipation, suitable for complex outdoor environments.