This newly designed battery-powered tap timer is easy to program with simple dial settings. The ball valve mechanism provides reliable and consistent performance for home, garden hose and drip irrigation systems. Perfect for various pressure applications ranging from 5 to 125 psi.11 preset watering cycles (intervals)Delay watering for up to 12 hours per day.Both programmed and manual watering options are available to suit your needs.Red indicator light alerts you when it is time to change batteries.