2020 Giant Numen Alumbra TL Rear Light

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 lumensANSI certified lumens and runtimeIPX4 water resistantPower status indicator alerts remaining run-time before powering offLight memory modeCompatible with Rev Comp, Compel, Roost, Strive, Lanza, Coveta, Rev Liv Comp and Luta series helmets