Analyze the Functions and Advantages of Marine Spotlights Boat spotlights(https://www.tzhuaji.com/product/marine-spot-light/) are designed to provide bright light in the dark to help boaters see their surroundings. These spotlights usually have high brightness and long range, able to illuminate distant water and shore, providing sufficient visibility for ships. Their beams are concentrated and strong, able to penetrate darkness and provide good lighting effects even in foggy or rainy days.