Leviton's 60-Minute Countdown Timer Switch has 5-buttons with 10-minute, 20-minute, 30-minute and 60-minute preset time options and a manual off button. Works with existing wiring and can replace a standard switch for added convenience and energy savings. Easy DIY install, slim depth for easier fit in wall box, interchangeable line and load wires to help prevent miswiring and a Green Flex Sleeve that connects to a ground wire or to a neutral wire when the sleeve is removed. The appearance complements interiors and is compatible with other Decora devices. Easily change colors using DTKIT faceplates available in white, ivory, light almond, gray, black and brown. Ideal for bathroom exhaust fans, heat lamps, towel warmers, hot tubs, saunas, attic fans, lighting and more. Do not use to control lights if it is the only light source in the area. Use with Decora wall plate and Decora Plus Screwless Wall plate sold separately.