Two mile visibility. For use on power driven vessels under 20 meters (65.6'feet). Horizontal mount. 3/4'' diameter Anodized aluminum tube. Plastic adapter for flat or "V" type mount. Contains notch for through-base wiring. Fold-down, adjustable angle. Reduced glare design. Black plastic top with clear fluted lens and frosted globe. Black plastic base. 360 UP-POSITION: All-round navigation for all night-time boating or while acchored. DOWN-POSITION: Cockpit courtesy light while at dock. FORWARD & OUT-OF-THE-WAY POSITION: For daytime skiing and boating. Vertical height: 76-3/4" Base: 2"x1-1/2". Screw size: 8. One per card.