Features ? Digital Electronics General purpose plug in time switch daily and weekly program ? Application in energy saving and security products with accurate switching purpose ? Repeat programs with 8 ON/OFF locations ? LCD indications for time-of-day, weekday & switching status for easy read out ? 1.5VDC button cell back up battery fro power reserve more than 100 hours ? Push button for Temporary Override Operation Mode ? Simple and easy to program and operated by multi-functional keys. Random function ? Summer-time function ? Count down function from 1 min to 9 hours 59 minutes