Amazon.com: Taidacent ESP8266 WiFi Relay Switch ModBus TCP 1 Channel WiFi Relay Module with 1 Digital Input : Electronics
JESSINIE 2Pcs ESP8266 12V WiFi Relay Module WIreless IoT Smart Home Internet of Things Phone APP Remote Control Switch Module Board For Automation System - - Amazon.com
WiFi Relay, Fast Response ESP-01 APP Remote Control Module for Turning on PC for Smart Home for Garage Door(12V) - - Amazon.com
Amazon.com: AOICRIE 3PCS ESP8266 ESP-01S Wireless WiFi Transceiver Relay Module Compatible for Arduino Smart Home Remote Control Unlock Set : Electronics
JESSINIE 12V ESP-01 ESP8266 Dual WiFi Relay Module Board 100M Transmission Distance Internet of Things Smart Home Phone APP Remote Control Switch Module - - Amazon.com
Amazon.com: Tolako 5v Relay Module 5V Indicator Light LED 1 Channel Relay Module for Arduino ARM PIC AVR MCU : Industrial & Scientific