General purpose timer switch can repeat programs with 16 on and 16 off settings for different uses for flexible scheduling. pre-setting one week before. It features to-the-minute setting accuracy. The built-in rechargeable battery and intelligent chip are able to retain programming settings, even in the event of a power outage. The LCD displays real time to the hour/minute and on/auto/off, along with a large and clear LCD screen for easy reading.