Feature:1. [Easy to install] Adopt external power control, it comes with wirings under the base and mounting screws for easy and quick mounting installation.2. [Manufacturing Material] Made of selected PC material, IP66 waterproof, 112.6 degree irradiation angle, corrosion resistance, anti rust, long lasting use.3. [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 side.4. [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.5. [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.Specification:Item Type: Signal LightMaterial: PCWeight: Approx.170g/6.0ozRated Power: 3WLight Source: LEDProtection Class: IP66Voltage: DC12VIrradiation Angle: 112.6°Lighting Type: Always OnMaximum Visible Distance: >1NM (1 Nautical Mile)Applicable Hull Range: Below 12m/39.4ftStart Mode: External Power ControlStorage and Working Temperature: -20 - +45℃Installation Method: Screw InstallationColor Temperature: Port (Red),(Green)Package List:2 x Signal Light