Large LCD (liquid crystal display) is easy to read and easy to set. Customizable run time from 1 to 360 minutes. Watering delay (rain delay) option allows postponing watering for 24, 48, or 72 hours. Manual On/Off button for instant watering. Metal swivel coupling with ergonomic grip. Safeguard valve automatically closes when battery is low. (2) AA batteries required, not included.