4PCS SONOFF-MINI - Two Way Intelligent Switch

Features:
Work with an external switch, it has a wire can be used to connect the rocker light switch, it can be installed inside the switch to turn on/off your appliances connected with the switch.
Can connect a pair of 2-way switches to turn on/off the downstairs light from upstairs.
Lightweight and portable, it only takes up very little space when installed into various types of switch boxes, even the EU standard switch box.
You can control appliances in your home via the eWeLink anywhere and anytime.
Turn on/off devices in a completely hands-free way by connecting with Amazon-Alexa or Google-Assistant.
Set the time automatically turn on/off.
Support share the device to your family or friends, they can control it directly on their phones.
If you're not at home, you can also know your device is on or off through the eWeLink APP.