Simple instructions:Please pay attention for your first use. You need wait 6s after your setting data, the module will save the date you have set after 6s.Short press button ?SET?: Start the Time Setting Mode and screen will blinking.Please set time T1 during blinking.Press button ?SET? and screen will blinking again.Set time T2 during blinking.Then save set in two method:? Waiting for 6S and the screen stop blinking. The system automatically saves the setting time;? Press button ?SET?.Long press button ?SET?: Start the Parameter Setting Mode.There are there parameter for your choice: P0 and P1. You can select P0 or P1 by short press ?SET?.Under the parameter P0, P1 you can set the parameter by the button UP and button DOWN.Restart key: Trigger the function again.After the timer finishes work normally.If needs to work again please short press the 'Restart key' to restart the timer.