These Lutron dimmers are designed to replace or match your traditional style switches. Save energy and extend bulb life with the Ariadni's easy-to-use toggle switch and small slide dimmer. Designed with a shallow 1-inch deep back cover for easy installation, Ariadni works with your existing traditional multi-gang wallplates. The Ariadni dimmer is available in single-pole models, where the lights are controlled from one location and 3-way models, where the lights are controlled from more than one location. There are also models available with the eco-dim® feature, which guarantees at least 15% energy savings compared to a standard switch.