Attwoods LED All-Round Light uses the very latest in bright white LED technology. 30% brighter than traditional LED lights with 60% lower mass which eliminates wobble. Improved lens technology provides a cleaner light transmission. LED technology keeps lights cool to the touch and is rated for 50,000+ hours of use. Provides 2-mile, 360° visibility for boats up to 39.4 (12M). Lights are completely sealed and watertight.