The Decora Smart™ Z-Wave 4-Speed Fan Controller allows you to select one of 4 fan speeds or control your overhead pull-chain paddle fan when paired with a compatible Z-Wave controller. Adjust fan speed from max, high, medium, low and off using the third-party hub's app, schedules, or voice control with a Z-Wave hub. Uses 700-Series Chipset which offers S2 security and is enabled with SmartStart. Utilize DD00R for 3-way installations.