ACR Lifebuoy SM-3 Self‑Igniting Marker Light (3947) | 4Boats

The ACR Lifebuoy SM-3 Self‑Igniting Marker Light (model 3947) automatically ignites on water contact and is certified to USCG, MED and SOLAS standards for reliable maritime marking.

• Model 3947: SM-3 self‑igniting marker light
• Automatic ignition on water contact for immediate illumination
• Certified to USCG, MED and SOLAS for regulated safety use
• Fits standard lifebuoy brackets for quick installation
• Corrosion‑resistant construction for prolonged marine service
• High‑contrast housing for easier location in low light
• Compact design for straightforward storage and handling

Suitable for commercial and recreational vessels; verify bracket compatibility before purchase.