Features Durable Material --- This marine light has an angle of 112.5° and comes with a sturdy marine grade high impact resistant housing, providing maximum strength, corrosion resistance, good waterproof performance, light weight, and long service life. Low Power Consumption --- The lamp consumes only 2 x 1W of power, providing maximum visibility and effective ship safety lighting with low power consumption. High Visibility --- Provides reliable red and green light illumination without worrying about heavy rain or strong winds, with a protection level of up to IP66 waterproof. Marine light is visible from 1NM away. Perfect Replacement --- Excellent marine accessory, marine light, perfect replacement light for the front of the floating bridge ship, standard marine electrical signal light. It can be used as head light, tail light or navigation light to improve the safet Easy Installation --- The black line is the negative pole, and the red line is the positive pole. Waterproof design, very suitable for navigation. 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 Light6 x Installation Screw Package List 1 x Red Boat Navigation Light 1 x Green Boat Navigation Light 6 x Installation Screw