Lutron MA-T51-BL Maestro Countdown Timer, Black For use with Incandescent and Halogen bulbs only. Saves energy by automatically turning off a fan or light Use with exhaust fans to reduce moisture, mold and mildew in bathrooms. Use with lighting to ensure lights are never left on for a long period of time Control up to a 3-Amp fan or up to 600-Watts of incandescent or halogen bulbs Tap on to start timer, touch rocker to adjust countdown time Includes (1) Maestro Countdown Timer; coordinating wallplate sold separately