Lutron® Skylark® Dimmer, Slide with On/Off Rocker Style, 1 Pole, Incandescent, Halogen Load Type, 600 W Load Rating, 120 VAC, White, 4.69 in H x 2.94 in W x 1.44 in D
Move the slider up to brighten lights, down to dim them
Simply slide up to turn lights on, slide down to turn them off