HW-622 - ESP8266 Wifi Relay module, 4-layers board design
Wide DC Input 7v to 30v
Safe with relay PCB pin anti-climb design.
One output status indicator, one input status indicator.
220V 10A relay, NO-COM-NC
One way optocoupler isolation input, TVS input protection.
Input overvoltage protection, input with TVS, when voltage exceeds 33V, automatic protection will operate.