Giant Numen Alumbra TL

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:

Maximum output to 20 lumens
ANSI certified lumens and runtime
IPX4 water resistant
Power status indicator alerts remaining run-time before powering off
Light memory mode
Compatible with Rev Comp, Compel, Roost, Strive, Lanza, Coveta, Rev Liv Comp, Luta, Path & Relay series helmets