Product Features1. If no button operation is performed within 1 minute, the screen will automatically turn off and the product will enter the sleep state. Press any key to light up the screen again. The system automatically turns on the child lock to prevent accidental touch and even modification of the program. 2. Manual operations and program settings must be performed in the unlocked state. 3. When the battery indicator on the LCD screen flashes, the irrigator will automatically shut down soon, please replace with new batteries in time. 4. You can set 6 groups of independent control programs according to your needs. 5. The rain sensor helps prevent overwatering. When this function is turned on, when the rain sensor detects surface water, it will not perform watering. (This feature can be turned off or enabled)6. Provide two manual watering modes, 1. You can directly open or close the water valve. 2. It can be set to stop the water valve after working for a period of time.