The TTV103WRF Smart Hose Watering Timer with Wi-Fi hub will save you water, money, and time. Connect via smartphone for maximum watering control over each zone of your lawn or garden. The timer collects online weather data to optimize water usage. Timer requires 4 AA Batteries (Not Included).
You only need one Wi-Fi hub (TWG004FRF), Pair up to four timers in a hub.