The Extech PT400 provides flexible, energy-saving solutions for your day to day use of appliances in the home or office. It features three selectable power settings (manual on, manual off, and auto), ten customizable on/off programs, and sixteen program combinations for individual days, weeks, and more. It simultaneously displays the time of day in 12 and 24 hour format, day of the week, and the currently selected program. It also has daylight savings mode, randomize program function, and a countdown timer. Design includes standard North American 3-prong electrical plug, side-socket connection for ease of use, and rechargeable backup battery that saves customized programs in the event of a power outage.