How to see Viewsonic Generation

On the right side of the Panel there should be 3 Stickers, VBCPS Barcode, MAC Address, and one with the Serial # and Model #.

The Sticker with the Model # will have an identification number corresponding to which Generation Viewsonic it is as shown below:

You can also see the Model # in the settings app on the Viewsonic under the 'About Device' section