Bundled as a USB kit with cable and stand, the Datalogic QD2131-BKK1S delivers 1D linear imaging at 270 scan/s with a scanning distance reaching 29.53 in, making it a capable choice for retail, inventory and industrial environments. Code 39 element resolution spans 4 mil to 20 mil, and the imager handles all standard 1D codes plus GS1 DataBar linear, GS1 DataBar Expanded Stacked, GS1 DataBar Stacked, GS1 DataBar Stacked Omnidirectional and China Post symbologies. Reading angles reach 70 degrees skew, 65 degrees pitch and 45 degrees roll, while a maximum ambient light tolerance of 120,000 lux and a minimum print contrast of 25% broaden operating conditions. IP42-rated against particulate and water ingress, the scanner withstands repeated drops from 1.5 m onto concrete and weighs 4.30 oz, with iOS and Android platform support noted alongside a five-year standard factory warranty.