Leviton 6613-PLI SureSlide, 600VA (450W) Preset Magnetic Low-Voltage Dimmer, Single Pole or 3-Way, Ivory Provides single pole or 3-way control when used with a 3-way switch All SureSlide devices have a linear slide control for precise operation Captive slide bar remains securely attached Compatible with Decora Plus screwless wallplates and Decora wallplates (sold separately) Separate preset button for ON/OFF