Giant Numen Alumbra Tail Light (Black) (For Helmets) (20 Lumens)

Designed to integrate seamlessly with compatible Giant and Liv helmets, the Numen Alumbra TL is the slimmest and most lightweight helmet-attachable tail light and features a unique quick magnet mount design for easy on and off as well as a built-in low-power indicator. Features: 20 Lumens maximum output ANSI certified lumens and runtime IPX4 waterproof Battery indicator alerts remaining run-time before powering off Runtime: 2.5 hours (High | 20 Lumens) 6 hours (Low | 10 Lumens) 7 hours (High Flash | 20 Lumens) 24 hours (Low Flash | 5 Lumens) Helmet Compatibility: Rev Comp Compel Roost Strive Lanza Coveta Rev Liv Comp Luta Series Specifications: Brightness: 20 Lumens Battery Type: Rechargeable (USB) Run Time: 2.5 - 24hrs (Mode Dependent) Beam Color: Red Color: Black Weight: 22g