The 630 watt cmh grow light is a new lighting source which combines the advantages of ceramic tube technology of quartz metal halide lamp and sodium lamp. The 630 watt cmh grow light has excellent color rendering to make the color of goods more realistic; anti-ultraviolet function can make your goods more outstanding; 630 watt cmh grow light has two different colors, giving you more choice; stable color creates a uniform color, and uniform brightness of the space environment saves cost; the long life of the 630 watt cmh grow light can be effective in reducing maintenance costs; high light efficiency improves energy efficiency. https://www.azgrowlight.com/products/315w-cmh-grow-light-fixture.html