This Italian-made timer has 2 independent outlets programmable to water up to 3 times a day on any or all days of the week, for durations ranging from 1 minute to 23 hours and 59 minutes. Compared to the old Duplo model, this new Duplo Evolution timer can now be set to a calendar week (Sunday through Saturday) that affects both lines and its 15 minutes preset manual is extendable up to 60 minutes. Manual mode allows to water between cycles or to stop the ongoing irrigation without altering existing programs. Programming is straightforward using just 3 buttons, and the large LCD display provides easy-to-follow programming cues. Programs do not operate simultaneously to maintain water flow rate. Timer operates on one 9v. Alkaline battery (not included); battery power indicator is available on LCD display. Built-in stainless steel filter traps harmful contaminants. Includes 2 quick-click couplings for fast and easy hoses removal. Timer works with operating pressure from 7.5 PSI up to 145 PSI, maximum water temperature of 104°F and outdoor temperature of 122°F. Built-in connection for Claber Rain Sensor (ASIN B00134O2R4 ) sold separately. Unit is 100% quality controlled during manufacturing. 2-Year warranty. Do not expose at temperature below 37.4°F.