24/7 Intelligent Programming: The timer can automatically turn on and off electronic devices, save energy and money, simplify your life. Keeps the programming even if there is a power failure. Just punch the "RESET" hole to reset it after charging. Set the time: Hold down the "CLOCK" button, then press "ON/AUTO/OFF" at the same time. The screen will display "SUMMER" and the time will increase by one hour, otherwise the normal time. Press "CLOCK + WEEK/HOUR/MINUTE" and set in order. Easy to Use: Large LED display for better visibility and easy setting. Press "CLOCK" then "TIMER", you can set 10 ON/OFF programs for one week. Press "CLOCK" and "WEEK/HOUR/MINUTE" and set the on and off times in sequence. Random Function: The electrical timer socket can turn the lights on and off randomly at times between 18:00 and 6:00 when you are not at home, fooling thieves into thinking someone is in the house. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.