Many of customers ask me to create specification functions. So I made this. When you add all data for criteria you can easily add specification of product on your page by shortcode:
This shortcode shows specification of current post. Also, you can show specification for any post by shortcode:
Also, you can easy add this shortcode by button in text editor:
If you want to customize specification and have full control – use our specification builder plugin, which you can find in Rehub Plugins tab.