Unitech MS100-NUCB00-SG Pen Scanner, 1D Barcodes, USB

The MS100 is a wand/pen barcode scanner, an ergonomic and compact device best suited for low-volume applications. It's likely that a wand barcode scanner such as the MS100 offers the best form factor for your application. As the least expensive type of barcode scanner in the market, there's a lot to be said about the lasting value of a wand barcode scanner.