Zebra RS4000 is a rugged wearable ring barcode scanner designed for hands-free scanning in warehouse, logistics, manufacturing, and distribution environments. Worn on the finger and paired with Zebra wearable terminals and mobile computers, it delivers fast and accurate 1D barcode scanning to support high-volume picking, sorting, and inventory workflows. Built for durability and all-day comfort, the RS4000 helps increase productivity, reduce errors, and improve operational efficiency in demanding industrial operations.