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 lock 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 and Luta series helmets

Specification:

• Size: 54x13x27mm
• Weight: 17g without mount
• Colors: Black
• Max Output: 20 lumens
• HL Runtime: High 2.5hrs (20LM), Low 6hrs (10LM), High Flash 7hrs (20LM), Low Flash 24hrs (5LM)
• Battery: Li-Ion polymer battery (250mAh)
• Water resistant: IPX4