ESP8266 wifi relay review

This my review of a ESP8266 wifi IOT relay board supplied by ICStation.com This is a module which can be controlled over its own access point, or connected to your wifi network. It only supports TCP socket communication, there is no MQTT or HTTP support Purchasing links: 12V, 2 relay: http://www.icstation.com/esp8266-wifi... 5V, 2 relay: http://www.icstation.com/esp8266-wifi... 5V, 1 relay: http://www.icstation.com/esp8266-wifi... 12V, 1 relay: http://www.icstation.com/esp8266-2bit... Manufacturer's website: http://www.chinalctech.com/index.php?...