Instruction Manual: 1. After setting the data, you need to wait 6 seconds, 6s after the modules automatically save the memory data. 2. Press the SET key once to enter the time setting mode, the red LED flashes, press the key to increase or decrease the setting time T1. 3. After setting the time T1, short press the SET key again, the green LED flashes, and the time is set by pressing the Time T2 key, T2 time setting is completed, press the SET key again, the system automatically saves the memory setting time or wait 6s, the module 6s will automatically save the data memory. 4. Long press SET, enter the parameter setting mode. There are two sets of parameters for user to select P0, P1. Short press SET in current mode to switch between P0 and P1. 5. Parameter P0 can be set by pressing the key to set its own timing mode. Parameter P1 can be set by adding and subtracting the key working mode. P0--0: T1 timing mode is second. P0-1: T1 timing mode is minutes. P0--2: T1 timing mode is hour.