Crescent Lighting XLP3180L Xenon Low-Profile Under-Cabinet Light Fixture, 120-Volt, 3-Position Switch, 18-Inch Xenon Lamping - 3 Light (Lamp Quantity) High CRI Xenon Lamp Source. 18W wedge base lamps included. Complete with integral low voltage transformer - 120-Volt Direct Wire Input. Dimensions: 1-1/8" (H) x 3-1/2" (W) x 18" (L) 3-Way Switch: Hi / Low / Off