IOT 5V ESP8266 Dual WiFi Relay Module Smart Home Mobile APP Remote Dual Switch

Description

Characteristics 1, Compatible with ESP-01 WIFI module (ESP8266 Module not included) you can buy it from this link2, Transmission distance:(1) In the open environment, the maximum transmission distance is 100m when the cell phone carry on the wifi module directly ;(2) when the wifi module and cell phone carrying on the same router, the transmission distance depend on the router’s signal intensity;3, 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 time4, check out tutorial to connect it with Blynk app