DollaTek 5V ESP8266 ESP 01 2 Channel WiFi Relay Module For IOT Smart Home Phone APP Controller(With ESP8266)

The function and characteristics:On-board N76E003/STM8S003 and ESP-01 WIFI module Having two Modes:Mode 1: Cell phones carry on the wifi module directly.Mode 2: Cell phone and wifi module carry on the same router Additional function: As an USB relay module when unplug the ESP-01 Transmission distance:In the open environment, the maximum transmission distance is 100m whenthe cell phone carry on the wifi module directly ;When the wifi module and cell phone carrying on the same router ,the transmission distance depend on the router’s signal intensity Use Smartconfig technology of ESP8266 to configurate the password for the ESP-01 module with APP On-board 5V, 10 A / 250 v AC 10 A / 30 v DC relay, absorb 100000 times continuously, Module with diode effusion protection, short response time On-board model selection and working position indicator LED On-board preserved UART debug interface and MCU program interface