The Orbit Easy-Set Logic Sprinkler Timer features Easy-Set programming logic and a large LCD and dial to make programming your watering system easy. A swing door and weatherproof cabinet allows for easy indoor or outdoor plug-and-go installation. Easy-Set logic provides hassle free programming and allows for flexible scheduling by days of the week, even or odd days, or at intervals of 1 to 32 days. Manual advance provides convenience of quick select during manual watering. Program data is safely stored so no reprogramming if power goes out and back-up batteries are run down.