You can control smart-home accessories using an app on your smartphone, but a smart speaker with the screen is an even easier way to go. The Echo Show 8 works with Alexa, Amazon’s smart home assistant,

Smart gadgets can make the automation of daily tasks quick and easy and one of our favorite smart gadgets is on sale this Black Friday.

The very good Reolink Battery Doorbell is 30 percent off, down to $101.99, at Amazon. This wired or battery-powered buzzer doesn't have any subscription fees. It can record locally to a microSD card, Reolink Hub , or FTP server and works with Amazon Alexa and Google Home.