Wattstopper RT-100-W Programmable Count-Down Time Switch - WhiteWattstopper RT 100 W RT 100 W Product Description The RT 100 Programmable Countdown Time Switch automatically turns lighting off when the programmed on time expires. It replaces a standard single pole wall switch for energy savings. Ideal for garages, outdoor lighting and spa control. Features: Backlit display shows countdown Lighted switch for visibility in dark rooms Operates most common types of lighting Programmable on time from 5 minutes to 12