Brand: Merkury Innovations Merkury Innovations Color-Changing LEDs: These RGB puck lights offer a wide range of colors and modes to create a fun glow in your pool or spa. Simple Remote Control: Use the included 21-key remote to easily change colors, adjust brightness, or choose fun lighting effects from a distance. Two Easy Ways to Mount: Each Merkury Innovations light has strong magnets and suction cups to stick securely to any smooth surface. Waterproof and Submersible: These durable LED lights are built for underwater use and work great in pools, ponds, fountains, or vases. Battery Powered: Each light runs on 3 AA batteries (not included) to provide long-lasting light for your next backyard party or event.