SM-3 LIFEBUOY SELF-IGNITING MARKER LIGHT The SM-3 lifebuoy self-igniting marker light is a high intensity LED strobe which provides 360° visibility for approximately 2 miles. This compact yet durable marker light facilitates rescue by automatically activating and beginning to strobe when in the water, working for over 40 hours at 30oC (86oF) or over 24 […]