The Vita grow light is an LED grow bulb that supports the growth of your plants with its highly precise photosynthetic spectrum while illuminating your space with brilliant, warm white ambient light. No natural light, no problem. Simply screw it into any traditional light fixture to use. Light lasts for approximately 7 years with average use of 12 hrs/day 20W, 120V, Dimmable, 60° Wide Beam Dimensions 4.7" x 3.7" Includes: LED grow light and instruction guide Item is final sale and ships directly from the vendor; express ship not available NOTE: This item does not ship to P.O. boxes