Quick View for WooCommerce allows your customers to quickly view product information in a nice modal without opening the product page. Products can easily be added to cart from the modal.
Imagine you have customers who need to quickly view your products in the shop. How bad experience would it be if every customer has to open them in a new tab or window? Your customers will be free to look in a better way your products, reading also a small description with all the most important features. With the product quick view button, they will be more focused on what they really want and they will proceed easily to the purchase step.