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.