The LTB12-1LZ, Leviton Decora Timer Switch offers advanced features, superior accuracy and contemporary aesthetics. It provides convenient timed control of lighting and motor loads in homes, offices, schools, libraries and other small commercial applications. It is ideal in automating control of heat lamps, hot tubs, attic and exhaust fans. 1HP, Single pole, 3-way or more locations (with VP0SR). Has four preset buttons for 2-hour, 4-hour, 8-hour and 12-hour countdown timers.