Jhome Zigbee Smart Plug, Mini Outlet Switches Works with Echo Plus, SmartThings Hub, Google Home. Remote Control Your Home Appliances from Anywhere(2 Pack)
You can ask the seller, if you can't connect to your Alexa, you can reset the switch 5 times (disconnect the power supply 5 times) when the power is on. The principle is similar to the restart of the router .