Excellent Light Transmission: Equipped with 18 LED beads, the light color is adjustable, offering three modes: red, blue, green, and white; red, blue, green; and single-color white light. These modes can be switched with a single button. Waterproof: With an IP68 waterproof rating, it can be used even when fully submerged. The Aquarium LED Submersible Light uses a potting process, allowing it to sink to the bottom of the water. Multi-functional External Controller: The external controller can be used to control light color switching, brightness adjustment, power on/off, etc. Power: 3W. The USB interface can be connected to a phone charger (not included in the package), computer, or power outlet. Aquarium Decoration: The Aquarium LED Submersible Light is suitable for glass, acrylic, and other types of aquariums. The suction cup can be attached to the bottom, sides, or other clean inner surfaces of the aquarium. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please contact us.We will provide after-sales service .