ACR ACR SM3 Lifebuoy Self-Igniting Marker Light, USCG, SOLAS, and MED approved, is a direct replacement for the SM2, ensuring reliable visibility in emergency situations.

The SM3 is a USCG, SOLAS, MED high intensity LED ring buoy strobe light 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 30 degree C (86 degree F) or over 24 hours at -1 degree C (30 degree F). Perfect for commercial marine, petro-marine, fishing charters, cruisers, and any other application needing a reliable and approved Crew Overboard Marker (COB) light, the SM3 floats upright in all conditions, ensuring it will keep shining when you need it the most. Key Features: Automatically rights itself and activates when in the water. High intensity LED strobe. Floats upright in all conditions. USCG, SOLAS, & MED Approved. User Replaceable AA Energizer L91 Lithium Batteries (Not Included).