Descriptions of products:, , the bs-1880 is an omnidirectional laser barcode scanner with streamline and compact appearance design. And this barcode scanner with hand-free scanning, is a high performance input device, and workable under the auto-trigger and stand detection, it can deliver the fast and accurate scanning, and speed up the processing to reduce the waiting time at check counter, and is very suitable as peripheral input device for use in the point of sale system. Here are specifications for this model as below:, , , basic specifications:, , , (1) scanner type 20-line omnidirectional scanning, , (2) light source 650 nm visible laser diode, , (3) scan rate 1500 scans per second, , (4) reading distance 0 to 20 cm (depends on bar width of barcode), , (5) decode capability Ean-8, ean-13, upc-a, upc-e, code 39, code 93, , code 128, ean128, codabar, industrial 2 of 5, msi, , interleave 2 of 5, matrix 2 of 5 and so on., , , (6) interface Ps/2 keyboard wedge or usb ï? , , (7) trigger mode Auto-trigger and stand detection, , (8) min. Resolution 0.1 mm/4 mil, , (9) print contrast ratio Min. 30%, , , product safety standard:, en55032 class b, fcc part 15 class b and rohs etc., , physical characteristics:, , (1) dimensions (w x d x h) 3.39 x 3.15 x 6.14 in, or 86 x 80 x 156 mm, , (2) weight 0.66 lb / 300 gm, , (3) power supply +5vdc/200ma (max.), , (4) color Cloud white/twilight black