Sonoff wifi switch WiFi Switch DIY Mini Smart Home Automation ewelink app  (White)

This is a mini and compact DIY smart switch used for different kinds of switch boxes, even the smallest EU standard switch box. Convenient to automate your home appliances with eWeLink app through your smartphone or tablet or your voice command. Support to connect an external rocker light switch unable to automatically spring back for easily managing connected devices in your home, both on your phone or directly from the wall. Note: 1.The antenna has strong electricity inside, do not break the wire jacket. 2.To make sure the stable RF signal, please keep the wire away from the metal component in the switch box when wiring.