Full Spectrum Marine & Reef LED Lighting with essential actinic blue spectral wavelengths promotes and supports strong coral growth and color 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 Extendable mounting brackets allow easy installation on a variety of aquarium widths