To set up the Flip Image of a product:

• Go to the Products section and click on a product to edit.
• Set the product image; it will act as the primary image.
• Set an image in the Product Gallery; it will act as the flipping image. Mainly the first image of that gallery is displayed.
• Enable the ‘Image Flip‘ option from the IMAGE SETTINGS tab.

 

Screenshot 1:

 

Screenshot 2: