Features:this ccd red light scanner can scan 2d barcodes on paper, film, cellphone screen.only support usb connection, plug and play, no need to install any software or drivers, simple operation.support manual or continuous scanning mode, providing quick and high accurate decoding.easy to scan 1d barcodes like ean-13, ean-8, upc-a, upc-e, codabar (nw-7), code 39, code 93, interleaved 2 of 5, matrix 2 of 5, code 128, ean/ucc 128, etc.support connection with computer, laptop. it can work with windows xp, 7, 8, 10, mac.widely used in supermarket, retail store, medical management, express & logistics industry, warehouse, library etc.specifications:material: abs+tprreading mode: ccd red lightlight source type: led(630nm)light source: 265lux(130nm)scanning speed: 200times/secprecision: ≥ 4milprint contrast: ≥30%working voltage:(3.3v~4.2v)±5%depth of scan field: 10-800mmdecode error rate: 1/5 milliondecoding capacity: ean-13, ean-8, upc-a, upc-e, codabar