1、PC SHELL: The shell of the light is made of premium PC material, strong and sturdy, impact resistant, providing long term use. 2、IP67 WATERPROOF: The circuit board of this navigation lamp is completely sealed and can be used in harsh environment and weather to resist water, corrosion and vibration. 3、LONG LIFE SPAN: Equipped with durable LED, corrosion resistant material, with anti glare design and convenient storage folding base, these lamps are not easy to be damaged. 4、LOWER POWER CONSUMPTION: These LED lamps consume only 3 watts of power, which is a good way to reduce unnecessary power consumption. Very suitable for boat use. 5、WIDE USE: Whether you are running a 12V or 24V system on the ship, these lights are suitable for your setting and can be used on fishing boats, yachts, pontoons, etc.