The Leviton Ddl06-Blz Decora Digital 300W Led/Cfl, 600W Incandescent Dimmer And The DDL06-1LZ Decora Digital Dimmer features a separate ON/OFF switch that preserves the selected brightness setting and offers the flexibility to modify the dimming range to optimize low light level performance when required on certain LED or CFL bulbs. Its slim, compact housing fits easily into a standard wallbox and is suitable for multi-gang installations with other Decora products. Screw terminals with back wire capability add to the ease of installation. The Decora Digital Dimmer comes packaged in White with Ivory and Light Almond color change kits. Additional color change kits are available in Black, Brown and Gray. Combination dimmer, 24 hour programmable timer countdown timer with Bluetooth technology to wirelessly control lights using a smartphone or tablet App provides local control within a 30 foot range without the need of a hub, gateway or internet connection Compatible with 600W Incandescent and 300W LED/CFL.Voltage: 120 VAC Single pole or 3-way/multi-location control when used with the DD00R-DL Decora Digital dimmer remote (sold separately) Ground wire is required for installation (neutral wire is NOT required)