Proprietary optics design draws only 1.8 watts at 12VDC. Lights are rated for 50,000+ hours of use. Two-mile, 360 degree visibility for boats up to 39.4 ft. Articulating head adjusts from 15 degree fore to 15 degree 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.