A:AnswerHello, touchpad is the small flat buttons on the control panel of the unit that gives the units command to operate; touchscreen is a sensitive display device. This model has touchpads, which is easier to use as you can see the buttons that you are selecting.
A:AnswerHello, please be informed that there are no differences between both units. Some dealers prefer to place the letter "Z" before the model number but both units are exactly the same. You may reach out to Best Buy so that they can advise you on the reason for this.
A:AnswerHello, the Alexa feature is not built into the unit. The oven works with Alexa for hands-free operation using voice commands. This has to be set up through the Amazon Alexa App or an Echo device. You do not need to use this feature if you wish.
A:AnswerHello Mary, the dimensions are 21.3" x 12.4" x 16.1" (wxhxd). You may use the link below to view the specification sheet: https://content.syndigo.com/asset/a9cc57d7-591e-464f-b52e-22f6ec5c352a/original.pdf
