3 Individual Irrigation Programs The watering program can be set flexibly according to your different needs.The watering time for each group is 1s to 99min 59s, and the irrigation interval is 1h to 15 days. You can set P1 / P2 / P3 sets of timing programs according to your needs,Having 3 separate watering programs means having 3 different start times per day with customized irrigation frequency and duration, which can make your watering schedule fully customizable Rain Auto SensorRain sensor chip will automatically sense the rainwater.Kazeila Adopt the latest rain sensor tech.The high-sensitivity sensor module monitors the real-time rainfall and then responds by interrupting to the valve. As the rain sensor dry out, the timer will run again as scheduled. Large Screen 3.5 large HD screen make everything clear at a glance.Simple and convenient operation Manual WateringChild Lock The manual mode can be used for instant watering without interrupting your scheduled irrigation program. The child lock mode helps the sprinkler timer prevent accidental triggering or wasting water WaterproofDurableIPX5 waterproof. The top connector is made of reinforced nylon fiber material, which make it much more durable and solid then ABS or plastic.Special attention: Lithium batteries are prohibited.Two 1.5V alkaline batteries should be used.