RainPoint 4-Zone Irrigation Controller ITV447RainPoint 4 Zone Irrigation Controller ITV447 The RainPoint ITV447 irrigation controller is a practical solution for your garden that allows you to manage watering in 4 independent zones. The device offers automatic operating cycles in two modesevery 112 hours or every 17 dayswith the ability to set watering times from 1 minute to 4 hours, and up to 8 hours in manual mode. The built in rain delay function (24 48 72 h) helps prevent overwatering, and