T-H Marine LED-51866/51867 High-Intensity Underwater LED Light, Surface Mount, White or Blue

The T-H Marine High-Intensity Underwater LED Light delivers 180 lumens of bright, energy-efficient illumination from a compact surface-mount housing built for permanent underwater use. Each fixture packs 6 super-bright LEDs behind a convex polycarbonate lens that spreads light in a wide flood pattern, giving better coverage below the waterline than many comparable lights of its size. The low 130 milliamp draw means it can run for hours without meaningfully taxing the battery, and the LEDs are rated for 100,000 hours of service life, well beyond the incandescent or halogen bulbs it replaces. Installation is simple: mount to a flat surface or drop it through a small wiring hole, then secure with the included stainless steel hardware. Totally waterproof, the light is equally suited to underwater transom mounting, trim tabs, swim platforms, and T-tops. Choose between crisp White or vivid Blue to match the look you want on the water.

Specifications

• Brand: T-H Marine
• Light Output: 180 lumens
• LED Count: 6 LEDs
• Amperage Draw: 130 milliamps
• LED Life: 100,000 hours
• Surface Size: 3.5 inches x 1.5 inches
• Height: 1.2 inches with mounting spacer, or 0.7 inches without spacer
• Mounting: Surface mount or small hole for wiring
• Hardware: Stainless steel hardware included
• Lens Material: Polycarbonate
• Waterproof: Yes
• Weight: 0.5 pounds

Sizes & Options

This light is available in two colors: White (LED-51866) for a clean, bright accent, and Blue (LED-51867) for a classic underwater glow. Both share identical specs, output, and mounting hardware, so the choice comes down to the look you want beneath the hull.