Giant's Numen TL1 5 LED Taillight boasts 5 bright LEDs so you get noticed out on the road. If that wasn't enough, you have 4 modes: steady, flashing, patrol, and random modes for high visibility in traffic. And it runs for up to 180 hours. This great water-resistant light also sports 2 mounting options.

- 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, Liv Rev Comp and Luta series helmets