Includes PFO Electronic VHO ballast enclosed in metal ballast box with on/off switch. Quick Disconnect. Wired plug and VHO rated end caps/mounts. Can handle two 60-72" bulbs. Units are key hold flanged for easy cabinet mounting. Note picture above is not actual product, ballast box is approx. twice the length as picture. DIM: 21"L x 5"W x 3"H bulb not included