Harmony incandescent dimmer with single pole and 3-way operation. Convenient operation combines ON/OFF decorator switch with separate slider for dimming control. Green LED glows when OFF to make dimmer easy to find in the dark. Constant memory returns lights to previous level after a power failure. Sleek, ergonomic decorator style matches other decorator devices. Higher ratings. Works with standard 3-way switches and wiring. Screw-pressure-plate backwire terminals save time, space and money. It saves energy and extend bulb life by reducing the amount of electricity required to power the lights. Energy consumption reductions of up to 30% are possible