1,Durable Material: Made of selected PC material, IP66 waterproof, 116 degree irradiation angle, corrosion resistance, anti rust. 2,Easy to install: Adopt external power control, it comes with wirings under the base and mounting screws for easy and quick mounting installation. 3,Super Bright Lights: Using red color temperature and green color temperature LED bulbs, the maximum viewing distance is up to 1NM, giving us brighter lighting with lower power consumption. 4,Applicable Hull Range: Ideal for use on boats up to 39.4ft (12m) in length, the red one is to be installed on port side and the green is on starboard side. 5,Usage Scenes: Suitable for most ships, yachts, fishing boat, speed boat and other boats. Upgrade your existing running lights to improve the safety when boating, especially at night. 2 x Signal Light Item Type: Signal LightMaterial: PCColor: BlackWeight: Approx.122g/ 4.3ozSize: Diameter: Approx. 6.2cm/ 2.4inRated Power: 3WLight Source: LEDProtection Class: IP66Voltage: DC12V-24VIrradiation Angle: 112.6°Lighting Type: Always OnMaximum Visible Distance: andgt 1NM (1 Nautical Mile)Applicable Hull Range: Below 12m/ 39.4ftStart Mode: External Power ControlStorage and Working Temperature: -20 - and45℃Installation Method: Screw InstallationColor Temperature: Port (Red), Starboard (Green) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin