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
Tool-free attachment
Weight: 7g