First, we must set the WPSP list to display products.
To do that, go to the WPSP List settings and under the “Post” tab, set the Taxonomy to “products” and check the terms you want displayed:
You can then go to the Carousel tab and enable carousel. Set your preferred settings for the carousel display on this tab.
Note: WPSP isn’t meant for products. Some functionalities or product meta may or may not work.