WiFi Smart Light Switch Work with Alexa, Google Assistant, neutral wire required

You can follow the clear direction to complete the wiring and pairing. No need hub. It must have WiFi to work together. It is 1-way wiring.It must have WiFi to work together. Note: Electricity must be switched off during installation.Only after the glass plate has been installed,you can turn on the power,otherwise it will not work properly.

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