GE 15079 Indoor 7-Day SunSmart Digital Timer - Convenient Automation for Lamps, Lighting, Appliances and Electronics Automates electronic devices to help save energy and money Easy to program with custom setting or preset options Delivers convenient automation for lamps, seasonal lighting, appliances and electronics SunSmart option - automatically adjusts when there is a daylight saving time change in your area Incandescent, CFL & LED ready