Rain Bird ESP-ME3 4 Station WiFi Ready Indoor/Outdoor Controller | ESP-ME3-A1

Comes with a power cord for quick plug-in indoor or outdoor installations. Cord can be removed to hardwire the internal transformer to a junction box. | Comes with 4 zones and expandable to 22 zones with optional modules. | Non-volatile memory saves controller settings indefinitely, even after long power outages | WiFi Connectivity by simply plugging in the optional Rain Bird LNK WiFi Module (sold separately), users can access, operate and monitor their irrigation system from anywhere. Internet-based weather information is used to make daily adjustments to the irrigation schedule, saving up to 30% in water. | Flow Monitoring Compatible with multiple sizes and makes of optional wired flow sensors (sold separately) for flow monitoring and notifications to save water and protect against property damage.