OceanRevive 120W Full Spectum Dimmable Aquairum LED Light USA Warranty, factory trained and authorized warrenty service for U.S. market product. No need to ship the light back to China! All quality issues will be resolved in the states within 5 business days. Full spectrum layout with 8 different color LED bulbs has been verified by hundreds of American reefers. All SPS, LPS or zoa keeps the color and a great growth rate. See the layout diagram. Achieve any color temperature by adjusting knobs Comes with 90deg lens to penetrate the depth of water. 55 3W bridgelux LEDs. Hanging kit included Dimensions: 16"x8.5"x2.5" Layout diagram upon request