ACR SM3 Lifebuoy Self-Igniting Marker Light

The ACR SM3 Lifebuoy Self-Igniting Marker Light provides highly visible, 360° LED strobe illumination for up to two miles, activated automatically when submerged. Its durable, floating design ensures reliable operation in challenging marine conditions, making it suitable for commercial vessels, fishing charters, cruisers, and other maritime applications. Approved by USCG, SOLAS, and MED, the SM3 operates for over 40 hours in warm temperatures and over 24 hours in near-freezing conditions. User-replaceable AA lithium batteries and an easy-installation bracket streamline maintenance and retrofit.