Product Dimensions: 4.09 x 2.52 x 1.34 inches; Voltage: DC 12V-24V; Wattage: 3W 2 NM High Visibility: Adapted the LED bulb with red and green color, these side navigation lights are visible at 112.5 degrees and from 2 nautical mile away, also Meets USCG Requirements. IP66 Waterproof and Longevity: These lights made of excellent ABS Material with sealed LED units resist water intrusion and 100% WATERPROOF design. In the true sense realizes strong durability, long lasting life and low power consumption. Easy to Installation: Easiest, Cleanest installation. Just need a wire to install, includes rubber mounting gaskets. Then it will be the best boat light you've ever bought. Wide Range of Application: Works well on touring car & boat, pontoon, fishing boat, speed boat and other boats. Use for bow, stern, or running lights. They provide simple and effective boat safety lighting but would not influence your boats appearance.