Spectrum - Tuna Sun (Variations of White) + Red + Amber, Coverage - Moderately Planted (24"x24") / Heavily Planted (20"x20") Fully Adjustable - 90 Watts BRIGHTER. Better thermal management and more advanced LED chips generate 15% more light output than the A360X, all while maintaining the same power draw. BETTER COLOR. The densest LED array in the world has become even denser, resulting in a more even beam profile and better color mixing. SMARTER COMMUNICATION. K-link communication allows user to link multiple A360X, A360XE, A599X, and APX units together, while still maintaining individual control over each lamp. SPECTRUM. The well-known Tuna Sun spectrum has been proven by its users to promote plant growth and enhance coloration. With Kessil Logic, it ensures consistent power output and plant growth across the tunable spectrum. The Kessil A360XE Tuna Sun LED Aquarium Light is the latest offering from Kessil. The new Kessil A360XE Tuna Sun LED Aquarium Light is 15% brighter than the A360X. Also features improved color and communication. Compatible with the Kessil WiFi Dongle or Spectral Controller. Connect multiple lights for seamless control from a single source.