Yardeen Dual Outlet Water Timer Irrigation Controller System, No Water Pressure Required 2 separate valves with maximum flexibility settings. Attach two hoses, and customize each hose with its own watering duration and frequency according to your precise needs. Use one water timer to control watering your lawn and garden Ball valve water timer working water pressure: 0 - 8 bar. Ball valve you water with impurity water. And it attach to 3/4''(19mm) or 1''(25mm) tap or faucet Irrigation Timer made from premium ABS, material waterproof, weather-resistant; suitable for outdoor using Easy to connect Yardeen water timer to tap or faucet, no tools needed. Follow the instruction, programs are easy to setup Low power consumption, 2 XAA 1.5v alkaline battery required (not included).