The 8000 Series AC Controllers from Galcon are easy to install and operate. These controllers are well suited for greenhouse and misting applications where you need irrigation duration of 1 second up to 12 hours. This is a very user-friendly unit with 4 programming buttons and an easy to read LCD screen. Has a rain delay feature for up to 30 days with automatic restart. Automatic, semi-automatic and manual mode for each valve or all of the valves simultaneously while automatic short circuit detection isolates any shorted valve and provides a visible “alarm” on the LCD screen and continues irrigation for the rest of the valves. This is the outdoor model enclosed in a durable weatherproof case. Features: Operation of 4, 6, 9 or 12 valves plus a master valve or pump start Operation of 2 valves simultaneously Independent programming for each valve Both weekly and cyclical irrigation schedules Up to 4 irrigation starts per day per valve in weekly schedule mode with duration from 1 minute to 12 hours Irrigation duration from 1 second to 12 hours in models 6S, 9S and 12S for misting or propagation Irrigation frequency from once every minute to once every 30 days in cyclical program Manual operation of individual valves or sequential manual operation of all the valves via irrigation controller Operates by means of a 110 VAC / 24 VAC internal transformer 9V battery backup for programming only not valve operation Compatible with 24 VAC valves only Integrated sensor input with ability to assign to individual valves for flexibility