Orbit Dual Program Sprinkler Timer (Indoor) 4 Stations Model 27954 Rain Delay Feature - Delay settings 24, 48 and 72 hours / Pump Start and Master Valve Capability Universal - Woks with residential standard 24 volt sprinkler systems Two Independent Watering Programs-Day(s) of Week, Watering Intervals and Odd/Even Days Flexible Time Settings- Water Each Station 1-99 minutes Up to 8 Start Times per Day - Ideal for new lawns and reducing runoff