Blue Cross Technologies now have ESP8266 ESP-01S 5V WiFi Relay Module for Arduino

You can now get ESP8266 ESP-01S 5V WiFi Relay Module from BCT. The ESP8266 ESP-01S 5V WiFi Relay Module is a combination of the ESP-01S module and a relay, designed to provide wireless control capabilities over a relay via WiFi connectivity. The module works with Arduino. When using this module, consider the power requirements, communication protocols (WiFi), and programming aspects to integrate it effectively into your project. https://bct.co.ke/index.php?content=product.details&id=92