The German-engineered Fluval Plant 4.0 LED delivers brilliant, spectrum-specific illumination for optimal plant growth, color and health. A superior 90 CRI rating guarantees vibrant colors, bringing your aquascape to life. With FluvalConnect app control, you can conveniently customize all light settings from your mobile device, including independent color channels, a 24-hour light cycle, dynamic effects, pre-set environments, and several aquarium management features. The Fluval Plant LED 4.0 offers advanced IP67-rated water, moisture and dust protection, along with a high quality glass lens for exceptional lighting performance and durability. Standard mounting options include extendable brackets as well as new height-adjustable riser brackets.programmable 24 hour light cycleprogramm gradual sunrise, mid-day, dusk and night settings. Mimic the natural cycle of the sun and moon to create a realistic enviroment for your fish.customizable color spectrumIndependently control color to suit y