Features: 1The large LCD display can directly display the year, month, day, week, and time, the LCD display part does not require an external power supply, the ON/OFF can be set arbitrarily for 24 hours a day or a week 2Only simple four?key operation, instruct the user to input the required settings in a dialogue mode, no need to read the complicated program setting instructions repeatedly, as long as the operation is once, it is proficient 3Manual ON/OFF is the output state (one?time effective) function, and the permanent ON/OFF (permanent effective) function allows users to easily change the output ON/OFF state without changing the setting program when they need to change in a special and temporary manner 4The minimum setting time interval is 1 minute, up to 44 programs can be set in 24 hours or a week. There are six national languages in the memory (English, French, German, Italian, Spanish, Portuguese), you can choose and change by yourself 5The lithium battery stored in the timer can also maintain the timer for about four years in the case of no external power supply. The state of the contact cannot be changed, but the control program switches normally Package included: 1 x Time Control Switch 1 x User Manual