About this item 6 independent programs: The intelligent watering timer has 6 independent programs, each program will not affect each other, it can be watered 6 times in a day, and the time for each each watering is from 1 second to 99 minutes and 99 seconds. Two Frequency Modes: Watering programmers can set two different watering frequencies, one is set by Monday to Sunday, the other by hours and days, the shortest frequency is the Watering once per hour, the highest is watering once every 9 days. Automatic rain detection: There is a rain sensor chip on the top of the smart watering timer. When rain falls on the sensor chip, the irrigation controller will automatically stop watering until the rain dries on the rain sensor chip, and the watering timer will automatically run the next watering program. Manual watering and child lock: The manual button allows a instant and flexible watering without interrupting the watering program you have set. The child lock can lock the timer to ensure that the programmed settings are not accidentally changed. Special attention: Lithium batteries are prohibited. Two 1.5V alkaline batteries should be used.