MET Duo LED Safety Light - Helmet-Mount Red. The MET Duo LED Light attaches tool-free to your helmet via the Safe-T Duo mount and provides a fixed and blinking light mode to keep you visible when it matters most for up to two and a half hours of use all thanks to a simple lithium 3V battery. Compatible with MET Strale Vinci Echo and Terranova helmets.
3 high intensity red LED
Lithium battery (3V CR 1632)
Steady or blinking mode
Burn times 1.5h steady 2.5h blinking