Compact WiFi relay module with ESP8266 ESP-01S for remote control of appliances via smartphone or web interface. Perfect for IoT and smart home projects.

Operating Voltage: 3.3V - 5V WiFi Module: ESP8266 ESP-01S Relay Rating: 5V 10A/250V AC Communication Protocol: WiFi 802.11 b/g/n Control Interface: Serial/AT Commands Dimensions: 45mm x 26mm Operating Temperature: -40°C to 85°C Antenna: On-board PCB antenna

