The Crystal FX™ lighting system creates a relaxing, colorful experience in your hot tub. Based on Chromotherapy, these brilliant underwater jewels of faceted light captivate the soft, luxurious interior to create the perfect mood. Crystal FX™ utilizes long-life LEDs and features eight colors and two dynamic light shows, from calm and soothing, to vibrant and rejuvenating, to visually enhance your hot tub soaking experience.