The Delta C43904-WH is a powerful yet user-friendly outdoor faucet timer that allows you to automate your irrigation system and save water and money. With its large LCD screen and simple programming interface, you can easily set watering schedules for up to 4 zones, each with independent run times and frequencies. The timer also features a rain delay function that will automatically pause watering during rainy weather to prevent overwatering. Additionally, the Delta C43904-WH is built to withstand harsh outdoor conditions and is backed by a 5-year warranty for peace of mind.