The Lutron Diva ELV DVELV-300P-GR is a 300W electronic low-voltage single-pole dimmer rated for 120V, finished in gray gloss, for use with magnetic and electronic low-voltage lighting loads. The large paddle switch with captive linear-slide control fits a standard designer wallplate opening and includes a built-in soft-glow nightlight. Uses standard single-pole wiring for straightforward installation.