Proprietary optics design draws only 1.8 watts at 12VDC. Lights are rated for 50,000+ hours of use. Two-mile, 360° visibility for boats up to 39.4ft. Articulating head adjusts from 15° fore to 15° aft to fit all base angles. 2-pin locking collar pole matches multiple angles and installations. Locking collar can be used or removed to allow installation in almost any base, even competitive brands.