Westek TMSW30MW Springwound Countdown Timer, 30 Minute, White COUNTDOWN TIMER - the perfect way to add timed-off functionality to lights, heaters, fans and other devices SELECTABLE - set the timer for any time between 5 and 30 minutes WIRED INSTALLATION - easy to install in any single pole/single throw outlet and will replace any single gang switch MODERN STYLE - contemporary white finish and sleek design makes this a perfect accent that works with any decor ENERGY EFFICIENT - devices will turn off when you desire; saving money by reducing electricity consumption