The future of shopping, according to Amazon, includes no lines, no waiting and no cashiers. For the past 4 years, the company has been working on technology that will allow customers to walk into a store, grab what they want and simply walk out – no checkout required. Amazon’s version of this tech-enabled brick-and-morter store, Amazon Go.

How does Amazon Go work?

Our checkout-free shopping experience is made possible by the same types of technologies used in self-driving cars: computer vision, sensor fusion, and deep learning. Our Just Walk Out technology automatically detects when products are taken from or returned to the shelves and keeps track of them in a virtual cart. When you’re done shopping, you can just leave the store. Shortly after, we’ll charge your Amazon account and send you a receipt.

All you need to shop at an Amazon Go store is an Amazon account and the free Amazon Go app on your smartphone. Employee’s at Amazon’s Seattle headquarters are testing out the first store as we speak. It will open publicly to consumers in early 2017.

Take a look below.