Easy to Use and SaveThe only thing you need to do to use this plug-in timer switch is plug in the socket, then it can work. IP20 protection is safer to use. Energy SavingThe digital timer socket is designed to control the power of appliances such as light, freezer, air conditioner, TV to save energy, output is 16A 3600W. 20 on/off proable, countdown functionThis timer socket supports 20 on/off settings, 12/24 hour switching and 9 groups of cycle week settings , automatically turn on/off the equipment at the specified time. And the countdown function can be very useful for some occasions. Anti-theft random functionWhen you start the random mode and it needs to be in automatic mode, the timer will turn on/off automatically. random with 2-32 mins variation depending on the set time. Standard Time and Daylight Saving TimeWhen the time tap enters daylight saving time mode, the screen will display ""+1h " on the right side of the screen.