T5U138 Size: Small Features: -Undercabinet light.-Number of lights: 2.-Diffuser: White acrylic.-Electronic ballast. Includes: -Bulb type: 13W or 8W T5 bulb (included). Construction: -Metal construction. Color/Finish: -White finish. Specifications: -120 Volts. Dimensions: -Overall dimensions: 1.25" H x 3.63" W x 33.38" D.