ESP8266 WIFI Relay Network Relay

Wide voltage input, input voltage: DC 7V - DC 30V.
Input overvoltage protection, input with TVS, the voltage exceeds 33V, automatic protection.
Input overcurrent protection.
220V 10A relay, a normally open, a normally closed relay parameters are as follows:
All the way optocoupler isolation input, input with TVS protection.
High current terminals.
An output status indicator, and an input status indicator.
Relay PCB feet anti-creepage design, more secure.
The server control can be accessed through TCP CLIENT.
Can be controlled by HTTP protocol.
Board size, 65mm × 40mm × 20mm.