Beacon Light IP65 Salt Spray Resistant Solar Powered 3000m Visible Range Fresnel Lens for Marine Buoy Navigation Guidance. Marine Grade Salt Spray Resistance: Built with corrosion-resistant PC housing and sealed structure for harsh offshore environments. Long-Range Visibility: Equipped with Fresnel lens and high-brightness LEDs for up to 3000m visible distance. Solar Powered & Auto Control: Features 6V 1.5W UV-resistant solar panel with light sensor for automatic day/night operation. Flexible Warning Modes: Supports steady and flashing modes with selectable red, green, or white light colors. Easy Magnetic Installation: Strong magnetic mounting allows quick installation on ships, buoys, and metal structures. Reliable Battery Backup: 2000mAh lithium battery provides 18 hours steady or 3 days flashing operation after full charge. 5-Year Warranty Coverage: Comprehensive 5-year warranty for mechanical defects and performance assurance. Customizable Options: Custom light colors, working modes, solar panels, batteries, and packaging available.