Measurement: 26.38" x 9.45" x 9.45"This light is a perfect choice to supply enough illumination to the plants to make them grow better.This is our air cooled reflector hood. As a supplement of natural light this item can enhance the light density at any time of the day and it can extend the time of effective lighting. No matter in the evening or at night it can effectively extend and scientifically control the light that the plants need. It can replace natural light to promote the plants' growth in the greenhouse or laboratory. If you are looking for such a light don't hesitate to add it to your cart. --Brand new and good quality --6" flange diameter air cooled reflector hood --Sturdy steel construction with black paint coated --Highly reflective rustproof aluminum inside hammer toned --Rust-proof stainless steel hanging clips --Hinged tempered glass lens --Spring loaded access clasps for easy opening --Completely sealed with rubber gaskets --Built-in 15' heavy duty lamp cord with ceramic mogul socket --The E39 fitting sodium and the electronic ballast are not included