Completely waterproof, suitable for use on sea boats, yachts, fishing boats, wharfs, berths, houses, and other marine environments, especially in full sunshine conditions. No external power supply required—powered by solar energy to charge the built-in lithium battery for convenient operation. Equipped with a wireless remote control for function switching, with a maximum remote distance of up to 30 meters (98 feet). Multiple lighting modes can be automatically switched to meet signaling requirements in various scenarios. Includes various mounting clips for easy installation. Item Type: Navigation Lights Material: Plastic Built-in Lithium Battery Capacity: 1800mAh Remote Control Battery: Built-in CR2026 Button Battery, 226mAh Product Use: Utilizes solar energy to charge the lithium battery, emitting a steady or flashing light signal for positioning, safety, or illumination purposes. Protection Level: IP67 Working and Storage Temperature: -30°C to 65°C Maintenance: Solar positioning lights are maintenance-free, but the following checks are recommended: - Store the light in its original packaging and avoid placing heavy items on it. - Recharge the battery at least once every three months during storage to ensure longevity. If stored for over three months, expose the light to direct sunlight for at least 8 hours to recharge. - Inspect and clean the solar panel and light sensor every six months to maintain optimal sunlight absorption and visibility sensitivity. Safety: This product contains a lithium battery and must be handled properly: - Do not disassemble the light or battery pack. - Do not make external electrical connections. - Do not recharge the battery except through the product’s built-in solar charging function. - Do not incinerate. - Store in temperatures between -30°C and +65°C (-22°F to +149°F). - Dispose of used or expired units in accordance with local regulations. Note: The wireless remote is not waterproof. Avoid immersing it in water. Remote Control: The top of the light features a light sensor and solar panel. The bottom includes two buttons for power and function control. Functions can be adjusted manually or via the wireless remote. Anti-Bird Thorn: To prevent birds from landing on the light, attach the anti-bird thorn to the top, ensuring it does not block the solar panel or light sensor. Package List: 1 x Light 1 x Remote Control 1 x Manual 6 x Installation Accessories (including 3 x Spring, 6 x Screw, 2 x Nut)