Leviton 35A00-1 600-Watt HLC UPB Dimmer Switch, White Only products shipped and sold by Amazon.com (not third-party sellers) are eligible for full warranty and technical support offered by Leviton Switches feature true rocker action. Press and hold to brighten or dim. Press up to turn on. Press down to turn off LED indicator lights at the top of the switches can be programmed to glow blue, red, magenta, or turned off entirely Can be used in new or existing homes that have standard electrical wiring. Uses standard Decora wallplate (not included) Uses Generation III UPB, an enhanced digital communications standard for lighting and home control ensuring superior reliability