Product Model:OKN422-3

DC 5V Smart WIFI Switch 4 Relay Module ESP8266 WIFI Relay Module

Product Description

  1. ESP8266 WIFI 4-Channel Relay Module is 4 channel WIFI relay module carried a ESP8266 WIFI module and mature 8 bitMCU, with Professional switching power supply circuit.It could control the relay by Android phone APP within the local area network (LAN).It is easy to set .

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