The Galcon 9001EZ is the easy alternative to watering by hand. When combined with a Drip Irrigation System. This long life, high quality Hose End (tap timer) Irrigation controller. Can be used to automate the watering of your landscape and potted plants. Easy to install and simple to program, the 9001EZ Hose End (tap timer) Irrigation controller is durable and equipped with only two dials to set the duration and cycle for your irrigation needs. Irrigation programming has never been easier. How easy. Install one 9Volt battery. Twist the Duration Dial to the length of time you want water to run, from 2 minutes to 9 hours. Twist the Cycle Dial to set the length of time between irrigation run times, from every 3 hours to every 14 days. Click on the start button (after attaching to hose bib and Drip system of course) and you will see irrigation start. If you don"t want to immediately start irrigation, you can activate the delay function to get going when you are ready.