Boat owners, this navigation light set is exactly what you need for safe night cruising! You get 4 pieces total - red and green lights that are essential for proper marine navigation. These LED lights are completely waterproof (we're talking 100% waterproof, not just water-resistant) so rain, waves, and humidity won't phase them. The circuit boards are sealed with resin for maximum protection against corrosion and vibration. Installation is straightforward - they're designed to mount easily on most boats. Operating at 12V, they have low current consumption so they won't drain your battery quickly. Perfect for fishing boats, yachts, pontoons - basically any water vessel that needs proper navigation lighting. The bright LEDs ensure you're visible to other boaters while providing clear visibility of your own position and direction. Each light measures about 3.9 x 0.9 inches, compact but highly effective. The red and green colors help other vessels determine which way you're facing - crucial for nighttime safety on the water. Use them for both interior and exterior lighting needs. Made from quality materials that can handle the tough marine environment season after season. Don't risk boating after dark without proper lights - this affordable set gives you everything you need for compliant, reliable navigation lighting. Stay safe and legal on the water with these durable, bright marine lights!