The component is represented by a single button, surrounded by stylization, such as product description, parameters that it gives when purchasing, its cost, etc.
Work with the element of an external single product
The specifics of this element allows you to install it on the external page of Your platform without requiring the user authorization for its purchase.
This module is able to work independently from all the others, for example, a cart module or a page on which it is instance, as well as it allows you to copy itself multiple times on one page with the ability to design each button separately, allowing you to configure only the necessary products to be displayed and their parameters.
Example of configured external single product can be seen in the screenshot below: