Shimmer: Beautiful, unrivaled shimmer gives the look of natural sunlight on the ocean floor. Spectrum: Kessil is the only company to manufacture all LED arrays in-house with custom spectral blends specifically tailored to meet aquarist needs. UV: A proprietary blend of UV light enhances coral growth and color. Penetration: Patented Dense Matrix LED™ tehcnology concentrates multiple LED chips into an array, creating a powerful light source with better and deeper penetration, without sacrificing coverage. E-Series LEDs are 15% brighter. Color Mixing: Different wavelengths within a single LED array are seamlessly blended before leaving the light, emitting a uniform color with widespread coverage. Design: High performance and low maintenance. Simple and compact units feature quiet operation, innovative heat management and efficient, long-lasting LED construction. Product Spectrum: Deep Ocean Blue Actinic Special Blend The DEEP OCEAN BLUE model's special blend of wavelengths emulates an actinic light for a deep blue color that brings water to life. Ocean Blue15,000K Special Blend This unique mix of wavelengths closely resembles a 15000 K light, creating a visually stunning effect for water and coral in your aquarium. Sky Blue 10,000K Special Blend The SKY BLUE model's distinctive spectrum emits light similar to a 10000 K light, emitting a natural looking light while providing coral with optimized wavelengths. Dimensions 4" x 2.48" Coverage Up to 24" surface diameter Power Supply 100-240V AC (input) 24V DC (output) Power Consumption 34W What's in the Box: • A150W Tuna Blue • DC Power Supply • Converter Cable • Gold Metal Hook • Bracket (x2)