Upgraded on the output, light beam, charging port and operation, it weighs only 44g (1., 55 oz), providing a lighter and better experience for users. The red light is ideal for map viewing, emergency response, stargazing, and more. The NU21 offers versatility with four brightness modes, as well as emergency SOS and beacon. Alternatively, switch to the dual red LEDs and protect your night... They are obsessed with the latest technologies of all kinds and are bold in applying them in the design of our illumination products. Innovation has rooted in our DNA since the company was founded by flashlight fanatics. Nitecore NU20 Classic Ultralight Headlamp, 360 Lumen USB-C Nitecore NU21 Headlamp 360 lumens (Assorted Colors) | Selffix DIY NU21 Ultra Lightweight Dual Beam Outdoor Headlamp The NITECORE NU21 is an ultra lightweight dual beam outdoor headlamp with a max output of 360 lumens and a light transmission of over 94%. Lockout Mode - Accidental Activation Prevention In Lockout Mode, any brightness levels or special modes are unavailable, ideal for carrying or storing the headlamp in a backpack or pocket. With a built-in 500mAh Li-ion battery, the NU21 is available with USB-C input and cycle charging, which can reduce the discard of 700+ AAA batteries over a battery life cycle. Outdoor Running Headlamp NITECORE NU21 360Lumens Rechargeable, Triple Output Headlamp Built-in Running Hiking Headlamp With Red Light Apart from the Lockout Mode to prevent accidental activation, it is one-hand operable to control the beam and show the remaining battery power.
