This timers allows you to set it and it will do the watering for you.New Time Delay featureBattery operated (2XAAA 1.5V Alkaline battery)(not included)Durable high impact constructionManual watering availableSimple, , water-proofSoft material for comfort grip and easy useCan be attached to 3/4inch (19mm) tap or faucetOnce set, it will repeat the cycles until new settingsFrequency: (can be set at 1, 2, 3, 4, 6, 8, 12, 24, 48, 72 H, and Week)Run Time: (can be set at 1, 3, 5, 10, 15, 20, 30, 60, 90, 120 mins)Working Temperature: 5 - 60 40 - 140 Water Pressure: 0 - 8 bar (0 - 116 )Type: Dual PortsFaucet Specifications: USColour: WhiteMaterial: PlasticPackage Contents:1 * Timer2 * Connector1 * Shunt1 * ScrewdriverOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.