1.Simulating 24/7 Natural Light Cycle: Our aquarium light astonishingly somulate the day-to-night cycle of natural light. From the warm morning sunshine to the rich spectrum of noon, and the gentle blue light of the evening, this lighting method provides your aquarium with an immersive, nature-like experience. 2.Premium Lighting: Our submersible aquarium light boasts 3 rows of high-quality LED chips, including 2 rows of 5050 LED chips and 1 row of 2835 LED chips, delivering vibrant and brilliant colors. The light fixture offers 10 adjustable brightness levels and 5 timer settings, enabling you to customize the lighting to your preferences. 3.Full Spectrum+Single-Color Modes: Our fish tank light can switch between full spectrum,7 single-color, cycle modes, providing a variety of rich options to meet your lighting requirements. Whether you want to simulate a natural ecosystem or enhance the aesthetics of your aquarium, it can be easily accomplished. 4.Waterproof and Safety-Certified: With an IP68 waterproof rating, our aquarium led light can be safely submerged in water without any risk of damage. Operating at a low voltage of 20V ensures the safety of both your fish and yourself during installation and use.(Please use our plug to plug in, do not use other plug.) 5.Multiple Installation: Our led aquarium light can be easily installed as a background light for your fish tank, mounted under the aquarium cover, or fixed inside the tank using the included suction cups. The 120-degree sliding suction cups allows you to effortlessly adjust the angle for optimal lighting coverage.