Low Voltage System - This underwater light has a transformer built into the light fixture to drop the power from 110 to 12 volts, making it safe to use underwater. Adopting 2-in-1 parallel line design with 26 feet cord available for convenient outlet connection. Never have to worry about batteries, just plug and go.Smart App Control - The newest LED Pool Lights support smart APP control with millions of different colors or DIY your unique colors. Scan and download the App, connect the bulb to your phone, and you are ready to go. Simple operation, more modes and longer control distance than traditional remote control of pool lights.Colorful Lighting & Changing Effect - A variety of solid colors and dynamic colorful lights make your swimming pool and backyard more vibrant. Comes with a sensitive built-in mic in the controller, lights will pulsate and change colors along with the environmental sound and music. Enjoy different styles and atmospheres with your family and friend at night.IP68 Waterproof - The outdoor pool lighting kit uses ultra-durable PC material and fully filled with epoxy resin inside, which gives it a very high resistance to cracks, heat and chemical corrosion. With IP68 waterproof and 5,0000 hours lifespan, no worry about maintenance and durability.