Engineered for vibrant coral growth colour and health the Fluval Sea Marine & Reef 2.0 Performance LED features greater light output than our previous generation of marine and reef LED strip lights in addition to a new illuminated touch-switch with dimmer.Six light spectrum bandwaves (four of which are essential actinic blue wavelengths) ensure balanced full spectrum coverage.KEY FEATURES: For saltwater aquariums only. Full spectrum marine & reef LED lighting withessential actinic blue spectral wavelengths. Promotes and supports strong coral growth and colour. Balanced combination of multiple LEDs for optimal coral photosynthetic activity growth & viewing. Features 6 unique LEDs including 400 420 440 460nm LEDs for outstanding blue spectrum coverage. 120-degree light dispersion for full area coverage and uniform lighting. Illuminated touch-sensitive switch with dimming feature. Versatile mounting options (on aquarium frame on cabinet or suspended). Extendable mounting brackets allow easy installation on a variety of aquarium widths. Completely sealed and water proofed. Ultra-slim design.