ESP-TM2 Series controllers simple, flexible and reliable for residential applications The ESP-TM2 irrigation controller is the perfect option for basic residential solutions. Building upon Rain Bird's legacy of The Intelligent Use of Water®, this controller offers simple water saving features that you will actually use. With the flexibility of 3 programs and 4 start times available per program, you can tailor your watering schedule to your landscape's needs. The ESP-TM2 provides the extra simple programming interface you are familiar with in a controller that is built to last! Make your controller SMART by adding the LNK WiFi module and a Rain Bird rain sensor. Best of all, you can upgrade the ESP-TM2 into a WiFi-enabled controller by simply installing a new LNK WiFi Module, without having to replace the entire unit. Make your controller SMART with EPA WaterSense certification by adding the LNK WiFi module and a WR2 rain sensor.