ESP8266 Relay Board - EasyEDA open source hardware lab
LC Technology 5V 2 Kanal Relais ESP8266 TASMOTA FHEM – mediarath - Martin Damrath
A cheap 1 channel relaymodule for ESP8266-01. Modifications revisited – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
DC 7-30V ESP8266 WIFI Relay Module ESP-12F Network 10A Relay Module 5V/220V - UK | eBay
ESP8266-01 IoT Smart Relay for Home Automation
SunRobotics 5V WiFi Relay Module for ESP8266 ESP01 Internet of Things IoT Smart Home Remote Control Switch (Relay Module) : Amazon.in: Industrial & Scientific