Fluval Aquasky Bluetooth LED. 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 color blends. 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 Wider coverage – each individual LED casts 120° of illumination for wider, uniform lighting without dead spots Available in 2 sizes: Model #14532: 18 W; 24 - 36"; 1250 lm; 42 LEDs (White (28) RGB (14)) Model #14533: 27 W; 36 - 48"; 3000 lm; 63 LEDs (White (42) RGB (21))