The Nitecore NU05 V2 is an ultralight, rechargeable signal light. It has a built-in rechargeable Li-Ion battery and has a maximum runtime of 47 hours. The light is equipped with dual white and red light sources and has 4 different modes. 

Ultra lightweight at just 0.39 grams, the headlamp mate can be used as a headtorch, on a helmet, worn on your wrist or attached to a bike. With the flashing modes at different speeds, it is the perfect light to help keep you safe when completing slow or more vigorous activities. 

The NU05 V2 includes:

• 4 x high performance LEDs
• One-handed operable single switch design
• Built-in power indicator
• improvements in output and runtime
• Upgraded USB-C charging port

Brightness levels and runtime

Red light (slow flashing) : 4 lumens, 10hrs runtime

Red light (quick flashing) : 4 lumens, 10hrs runtime

White light (slow flashing) : 40 lumens, 4hrs runtime

White light (constant - on) : 40 lumens, 1hr 45mins runtime

Red indicator (slow flashing) : 47hrs runtime

The NU05 V2 is available as a simple version with the light only or a kit version which has the light and the following accessories: 1 x headband, 1 x bike mount, 1 x USB-C cable.