independently operating programs: The smart watering timer has 6 programs that operate independently of each other. It can water 6 times a day, and the duration of each watering ranges from 1 second to 99 minutes and 99 seconds.Two frequency modes: Irrigation timers allow you to set two different watering frequencies, one set according to Monday to Sunday, the other set according to the hours and days, with the shorter frequencycorresponds to once per hour, the longest to watering every 9 days.Automatic Rain Detection: A rain detection chip is located on top of the smart irrigation timer. When rain falls on the sensor chip, the irrigation control unit automatically stops watering until the water on the sensor chip dries, and the irrigation timer automatically runs the next irrigation schedule.Manual irrigation and child safety: The manual button allows for instant and flexible watering without interrupting your set watering schedule. The child lock prevents accidental changes to the programmed setting.Important: Lithium batteries are prohibited. Two 1.5V alkaline batteries must be used.