Cart page & mini cart as well show model/sku/upc/ean/jan on product page show different product options to different customers based on customer group define model number advance for each product options. – with help of live option price automatically calculates option price on product page so customer can easily see the final price when they choose product options main features. – with help of option model you add separately model number pro of each option – with help of option sku you add separately sku for each option. Discount pack price & special price) all settings manage from admin panel