A powerful 4-channel WiFi relay module with ESP8266 ESP-12F, supporting up to 30A per channel for IoT and home automation projects.

WiFi Module: ESP8266 ESP-12F Channels: 4 Maximum Load Current: 30A per channel Power Supply: DC 7-28V / AC 90-250V / 5V Communication Interface: 3.3V Working Current: 240mA Isolation: Optocoupler isolation All I/O Ports: Led out for external connections Protocol: WiFi 802.11 b/g/n Operating Temperature: -40°C to +85°C Dimensions: Standard development board size

