This is an ESP8266 Network Relay WIFI Module, which based on the ESP8266 and a 10A relay. It can connect by a server through TCP Client and also can control by the HTTP. With this module, you can upload your firmware then can make perfect IoT projects you like. It is good for your smart home and IoT project with network control.
Features:
Input voltage: DC 7V~30V
220V 10A relay, one normally open, one normally closed
More safe with relays PCB pin anti-climb design
One output status indicator, one input status indicator
Access control server via TCP CLIENT mode Via HTTP protocol control. High-current terminals
Input overvoltage protection, input with TVS, when voltage exceeds 33V, automatic protection will operate