2-mile, 360°, illumination for boats up to 39.4 ft. (12m). Robust design provides easy, single-handed cam-lock operation. Articulating head for use in all applications. Exclusive anti-glare design preserves night vision. Over 50,000-hour life. Operating range: 10.5 VDC -14.4 VDC. 10-year warranty. Includes LightArmor™ fold-down, horizontal mount base. Packaged with a rail mount adapter (#91367).