The Lutron Skylark SF-12P-277-AL is a single-pole fluorescent/LED dimmer rated 277V/6A, suited for commercial and institutional environments using 3-wire ballasts and drivers. The rocker on/off switch returns fixtures to the last-set light level, with a slide control for full-range dimming. 100% factory tested; almond finish. Coordinating Claro and Stainless Steel wallplates available separately.