Super-bright, vibration resistant IP67 waterproof rated LED light. The fixture can be powered by your DC battery system, AC generator/shore power or both. If connected to both, the PC board automatically switches to DC power when AC power is lost. Meets the Requirements and Standards for SAE J1171. USCG. ABYC & NMMA. Includes trim ring for surface mount installation. 120° Beam angle. Stainless Steel mounting hardware included. 3-Year Warranty. LED Color Cool White Size 16-5/8" x 6" x 5/8" Volts 12/24DC & 110/220AC Lumens 3400