Operated exclusively via the FluvalSmart App on your mobile device, Aquasky allows you to control the light output of red green blue and super bright 6500K white LEDs for infinite colour blends. This model has 36 LEDs (24 White, 12 RGB) and fits aquariums with a width range of 38-61cm thanks to its extendable bracket. Key Features: Programmable gradual 24-hour light cycle settings (sunrise mid day sunset and night) Adjustable color spectrum with RGB + W output control Multiple weather effects - from stormy lightning to dense cloud cover recreate seasonal systems from the world\'s great fish habitats Industry leading IP67 waterproof rating - light can be mounted directly above water surface for greater light penetration Larger Touch-Switch surface and design offers stable control without any fuss Wider coverage - each individual LED casts 120 of illumination for wider uniform lighting without dead spots 3 Year Warranty