Features Marine Grade Material: Constructed with a sturdy marine grade high impact resistant housing, providing maximum strength, corrosion resistance, and long service life, ensuring reliable performance in harsh marine environments. Low Power Consumption: Consumes only 2 x 1W of power, delivering maximum visibility and effective ship safety lighting while minimizing energy usage, making it an efficient and cost-effective lighting solution. High Visibility and Waterproof: Offers reliable red and green light illumination visible from 1NM away, with a high Defence level of IP66 waterproof, ensuring visibility even in heavy rain or strong winds, enhancing navigation safety. Versatile Marine Accessory: Versatile as a replacement for front floating bridge ship lights, standard marine electrical sign lights, headlight, taillight, or navigation light, improving navigation safety, especially during nighttime s. Easy Waterproof Installation: Designed for easy installation with clear polarity markings, making it suitable for boat navigation, ensuring hassle- and reliable . Specification: Item Type: Boat Navigation Light Material: Stainless Steel, Rubber Beam Angle: 112.5 ° Voltage: DC 10-30V Power: 1W x 2 LED Light Color: Green on right, red on left. Visibility: 1NM Effective Luminous Flux: Green: 40lms. Red: 12lms. Waterproof Grade: IP66 LED Lamp Life Test for 1000 Hours: Lighting maintenance rate >92% Working Temperature: -20~45 ℃ Application: Suitable for vessels under 39.4 feet, that is, 12 meters. Package List: 1 x Red Boat Navigation Light 1 x Green Boat Navigation Light 6 x Installation Screw Package List 1 x Red Boat Navigation Light 1 x Green Boat Navigation Light 6 x Installation Screw