The 46 watt Fluval Plant Spectrum LED is a powerful LED lighting system designed specifically for freshwater planted aquariums. The system features 252 separate LED’s with each individual bulb offering 120 degree illumination for wider coverage and uniform lighting without any blind spots. With an IP67 waterproof rating, the unit can withstand regular splashing as well as temporary submersion in the event that you drop the unit in the aquarium temporarily. The Fluval Plant Spectrum LED offers a programmable 24-hour light cycles that replicates gradual sunrise, mid-day, dusk and nighttime settings, just like in natural environments. Additionally, the light offers three preset lighting configurations, those being Lake Malawi, Tropical River and Planted to provide a more realistic, natural atmosphere to your aquarium set up. Full customizable options allow you to independently control colors lights to suit your specific aquatic needs. Provides light for up to 50,000 hours. Well suited for tanks between 36″ and 48″ in size.