1. Simulating 24/7 Natural Light Cycle: Our aquarium light accurately simulates the day-to-night cycle of natural light. From warm morning sunshine to the rich spectrum at noon, and the gentle blue light in the evening, this lighting method provides your aquarium with an immersive, nature-like experience. 2. Premium Lighting: Our submersible aquarium light features 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, allowing you to customize the lighting to your preferences. 3. Full Spectrum and Single-Color Modes: Our fish tank light can switch between full spectrum, 7 single-color modes, and cycle modes, providing a variety of options to meet your lighting needs. Whether you want to simulate a natural ecosystem or enhance the visual appeal of your aquarium, it can be easily achieved. 4. Waterproof and Safety-Certified: With an IP68 waterproof rating, our aquarium LED light can be safely submerged in water without risk of damage. Operating at a low voltage of 20V ensures safety for both your fish and yourself during installation and use. (Please use the provided plug; do not use other plugs.) 5. Multiple Installation Options: Our LED aquarium light can be easily installed as a background light, mounted under the aquarium cover, or fixed inside the tank using the included suction cups. The 120-degree adjustable suction cups allow you to effortlessly adjust the angle for optimal lighting coverage.