The kit comes with Arduino Mega, which will serve as the brain, along with ESP8266 Wi-Fi Shield for remote control, a motor ...

[Reza’s] methodical investigation of this remote controlled outlet let him patch in with an Arduino using a 433 ... should allow you to take control of wireless rigs that have multiple modules ...

there has not been much of anything on programming this cheap wireless module with the Arduino IDE. Finally, this has changed. After many months of coding, the Arduino IDE supports the ESP8266 module.