ESP8266 Wi-Fi Module with 5V Relay Supports Android Remote Control

Description
220V one way WiFi relay module carried a ESP8266 WiFi module and mature 8 bit MCU, with Professional switching power supply circuit.It could control the relay by cell phone APP within the local area network (LAN).It is easy to set .

Features
Product Name:AC 220V WIFI Relay Switch Remote Control Module
Product Number:ESP8266 Relay Board
Working Voltage:AC 85V-264V
Work Temperature:-20„~85„
Work Humidity:0%~95%RH
Port Description
L: AC input terminal
N: AC input terminal
Button: It is used to switch work mode(default mode 1) and restore factory settings. Short press to switch mode. Long press to restore!
LED0:Red.Relay work indicator.LED turn when relay working.
LED1:Green.Working status indicator.
LED OFF: It indicates that it is being automatically configured or disconnected from the router when LED keeps OFF.
Flashes 0.5s: It indicates that the module is waiting to configure the WIFI account and password by the APP on the phone if it flashes every 0.5 seconds.
Flashes 2s: It indicates that the configuration is complete, waiting for a TCP connection with the mobile phone if it flashes every 2 seconds.
LED ON: It indicates the module successfully establishes a TCP connection with the mobile phone if it keeps ON.
LED2:Blue.Mode 2 indicator.
LED3:Red.Mode 1 indicator.
COM: Public port from the relay
NC: Normal Close. It connects to COM by default status. Hanging when relay working
NO: Normal Open. It disconnects to COM by default. Connect to COM when relay work.
Relay control command(Hexadecimal):
Turn ON relay: A0 01 01 A2
Turn OFF relay: A0 01 00 A1