ESP8266 WIFI 8 channel relay module 5V/7-28V

PRODUCT PARAMETER On board mature and stable esp-12f WiFi module, large capacity 4m byte flash power supply mode supports dc7-28v / 5V Rst reset button of onboard WiFi module Esp-12f supports the use of eclipse / Arduino IDE and other development tools to provide reference programs under Arduino development environment On board 8-way 5V relay, output switch signal, suitable for controlling the load whose working voltage is within AC 250V / DC 30V On board power indicator and relay indicator Product specifications Board size: 149 * 80mm weight: 140g