Fluval Sea Marine and Reef 3.0 Led Light - 24-34 Inch Full Customization with the FluvalSmart App Download the FREE FluvalSmart App on your mobile device to control Marine spectrum LED and all its built-in features. No additional equipment required. Programmable 24-Hour Light Cycle Program gradual settings - Sunrise, mid-day, dusk and night. Mimic the natural cycle of the sun and moon to create a realistic environment for your fish. Full Spectrum Flexibility Independently control color to suit your lighting needs. Marine spectrum LED features 7 unique band waves for full spectrum results. Pre-Set Habitats For convenience, select one of three pre-set light configurations: Sunny Reef, Deep Sea Glo or Color Boost.