Product Details 1. Customisable Watering Control: Watering duration adjustable from 1 second to 99 minutes, frequency from 1 hour to 15 days, meeting various plant needs 2. 3 Independent Irrigation Programs: Separate settings for different watering times and frequencies, flexible scheduling for diverse garden areas 3. Automatic Rain Sensing: Built-in rain sensor chip pauses watering when detecting rain, resumes after chip dries, preventing overwatering 4. Manual Watering & Child Safety: Instant manual irrigation button without disrupting preset schedules; child lock prevents accidental setting changes Specification 1. Watering Duration: 1 second - 99 minutes 2. Watering Frequency: 1 hour - 15 days 3. Irrigation Systems: 3 independent programs 4. Power Supply: 2 x 1.5V alkaline batteries (lithium batteries prohibited) Package List 1. Smart watering computer Warm Tips 1. Always use two 1.5V alkaline batteries; do not use lithium batteries 2. Keep the rain sensor chip clean and unobstructed for accurate rain detection 3. Activate child lock after programming to prevent unintended setting modifications