2-mile, 360° visibility. USCG certified for use on boats up up to 39.4' (12m). Exclusive anti-glare design preserves night vision. Over 50,000 hour life. Articulating head for use in all applications. Includes a black composite LightArmor™ fold-down base that provides easy, single-handed cam-lock operation. Bases install with required #10 fasteners. Part #'s ending in "7"
include rail mount adapter (#91367) Mount Horizontal Height 20" Base Black Composite Pole Anodized Alum.