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Touch and hold the button for 10-15 seconds. The button will start flashing when it has entered pairing mode.

Unfortunately, no. The smart switch is only compatible with 2.4GHz Wi-Fi networks. This is because 5GHz Wi-Fi networks have a shorter range and are not as well-penetrated by walls and other obstacles. As a result, 5GHz Wi-Fi networks are not ideal for devices that need to be controlled remotely.

When the communication signals between a smart device and a gateway are weak, the smart switch may go offline. If one wall is between a smart switch and a gateway, ensure that the distance between them is within 5 m. If there are multiple walls, we recommend that you add gateways or shorten the distance.
*Gateway, Modem, Router or Wi-Fi Extender

Signal strength can be measured in a variety of ways, the most common of which are decibel milliwatts (dBm) and Received Signal Strength Indicator (RSSI). Since many manufacturers convert RSSI to dBm anyway, we’ll focus our attention there.
The most important thing to understand about dBm is that it is displayed in negative values, so there will always be a minus sign in front. The scale runs from -30 (a perfect connection) to -90 (unable to connect at all).

This typically means your smart switch has lost its Wi-Fi connection. This can happen if the Wi-Fi signal is weak (e.g., switch is too far from the router, or there are many devices on your network), or if your router is experiencing a temporary issue.
What to do:
1. Restart your router: Turn off your Wi-Fi modem/router for 10-20 seconds, then turn it back on.
2. Improve signal: Try moving your router closer to the switch, or consider a Wi-Fi extender.
3. Check network: Ensure your switch is connected to the 2.4 GHz Wi-Fi band if your router has both 2.4 GHz and 5 GHz.
Update firmware: Check your device app for any available firmware updates for the switch.
The issue is typically related to your internet connection or home network, rather than the switch itself.

Sure, here are the steps:
- Open the APP. Make sure that your phone is connected to the same Wi-Fi network as the smart switch.
- Select Device you want. In the app, select the smart switch that you want to use with the multi-control association feature.
- Click on edit icon on top right corner. This will open the device settings menu.
- Select Milti-Control Association. This will open the multi-control association menu.
- Link with the Switch you want. In the multi-control association menu, select the other smart switch that you want to associate with the first smart switch.

Open App > Click on Me > Select your Third-Party Voice Services > Select and Link

As it takes only a tiny amount of voltage increase to damage most of today's sensitive electronics. We recommend to install Surge Protectors. As not only your smart devices need protection but also your tv, appliances, phones, laptops, desktops etc... need to be protected.

Some of the possible causes are:
Lost of Connection | Power Outage | Voltage Overload

Here's the soultion, simply reset your curcuit breaker:
To reset the breaker, put some pressure into moving the switch first into OFF, wait a few seconds, and then flip it back into ON