Rain Bird SST-900i Simple-To-Set indoor sprinkler timer provides automated control for up to 9 zones. This lawn irrigation controller features a user-friendly interface with a large LCD display, dedicated buttons for watering days, and a rotary dial for easy programming. Designed for indoor use, it allows for customized watering schedules, including specific days of the week or odd/even day intervals, and offers multiple watering times per day per zone. The unit includes a seasonal adjust feature and a rain delay setting to optimize water usage based on weather conditions. Note: This is the controller unit only as shown; power supply and mounting hardware are not included.