Detailed Description: - Commercial Duty! - 2 lamp 55W Electronic Ballast Kit - 120VAC - No Flicker. - Molded moisture resistant endcap. - Includes 4 heavy duty Stainless PC lamp clips. - Also operates 28W, 36W and 65W. - Fully assembled - Simply push the lamps in and plug the ballast into the wall outlet or timer and your ready!! - Both lamp turn on when you apply power. Ballast Measurements: - Ballast Dimensions: 11 3/4"L x 3"W x 1 7/8"H. - Powercord length approx: 6'. - Length of endcap cords from ballast approx: 11' 6". - There are two 1/4" mounting holes on each end of the ballast so you can conveniently mount the ballast where you choose.