MODELS DS457 Next Generation Fixed Mount Imager The Zebra DS457 Fixed Mount Scanner Series delivers fast, high-volume hands-free scanning of virtually any barcode—including 1D, 2D, and direct part marks (DPM). No matter what type of barcode is presented, or whether it is printed on paper, etched into a product, or displayed on a mobile phone screen, the DS457 Series provides fast, accurate scanning in a tiny footprint that fits in the most space-constrained areas.