Universal LED Ring Light, compatible with a wide variety of installations. Waterproof, can be operated completely submerged. Features flat, silicon sealed LEDs for maximum protection. Comes with a 120v outdoor transformer. The ring design allows it to be placed over a fountain to create a dazzling display! Ocean Mist's LR-D12W LED Light Ring is a high-quality, waterproof light ring designed for use both above and under the water. Featuring 12 white LEDs, this light ring is perfect for illuminating water features. The flat-style LEDs are sealed by silicon, which helps to protect them and prevents them from being damaged by water. This light ring also comes with a 120v outdoor transformer. The LR-D12W ring has an outer diameter of 2inch, an inner ring diameter of 0.94inch, and features a 15' long power cord.