These Irrigation Timers Permit 1 To 60 On Operations Every 24 Hours. This Series Is Designed For Water Metering In Increments Of 12 Minutes To 20 Hours 45 Minutes For Maximum Conservation Of Precious Water Resources. The 14Day Skipper Feature Permits Irrigation To Be Omitted On Selected Day(S) And Also Provides For Every Other Day Operation. The On/Off/Automatic Switch Allows Shutdown During Rainy Days Or Extended Watering During Dry Periods Without Disturbing The Automatic Cycle Set On Dial.