Using the small and lightweight RS419 ring scanner, warehouse, retail and distribution center workers enjoy hands-free all-day comfort, the latest in scanning technology and a rugged design for everyday dependable operation, indoors and outdoors. By putting the RS419 ring scanner on their fingers and combining it with a Zebra WT4XXX wearable mobile computer, workers are free to keep their hands and eyes on the items they are handling, increasing their productivity.