NU21 is an addition to the NU series, designed with an extremely simple and minimalist approach for reliable use in low light. Key benefits - Ultra lightweight and compact: 44 g (1.55 oz), easy to carry and operate with one hand. - Simple, integrated design: light output, charging port, and operation controls are streamlined for a straightforward user experience. - Soft, night-friendly light: optimized for night run and route finding with a comfortable beam. - Versatile applications: suitable for red light tasks, map imaging, emergency intervention, stargazing, and more. - One-handed operation and power awareness: can be used with one hand to check the beam and view remaining battery power. - Safety and control: includes a locking mode to prevent accidental activation. Specifications and features - Model: NU21, a product in the NU series - Weight: 44 g (1.55 oz) - Design focus: emphasizes a simple, functional form that highlights the light beam, charging port, and operation controls Use scenarios - Night running or trail navigation: lightweight and easy to handle with one hand while checking the beam and battery status. - Map imaging and route planning in low light: compact form factor supports mobility and quick beam checks during navigation. - Emergency intervention or stargazing: soft illumination suitable for locating details at night or observing the sky without harsh glare. Notes - The description reflects the NU21’s stated design goals and functions, including its minimalist construction, light output integration, charging port inclusion, one-handed operation, battery power display, and locking mode.