All White Polymer navigation side light with 12 or 24 Volt Bulb Included. Certified for use on sail or power driven vessels under 20 Meters (65.6 ft.) in Length. (12V or 24V)Technical Information: 12 or 24 Volt Bulb Included Screw Size: #10 Projection Overall: 2-1/2" Height Overall: 3-5/8" Width: 4-1/8" Visibility Arc: 112-1/2 Visibility Miles: 2