Each Italy Q-A203 2 IN 1 barcode reader with dual functionality, i.e. it can be used both wirelessly by usb adapter (included) and by usb cable (included) in case of waste batteries, which ensures fast and accurate reading, can be used in a wide range of applications for reading product bar codes through the button pressure. Great for reading documents and checking a warehouse. The read line width increases as the scanner moves away from the barcodes. In addition, laser beam pulses facilitate barcode alignment and when the scanner detects a barcode the laser beam automatically switches to read mode. - Decoding capacity: portable barcode reader can be used to scan and decode linear 1D barcodes - Examples of linear 1D codes: UPC/EAN, Code11, Code39, Code93, Code128, Codabar, Industrial 2 of 5, Interleave 2 of 5, MSI/PLESSEY, etc [NOTE: can not decode CODICE 2 USB - wireless / bluetooth Supports most barcode series: e.g. Code 1D LINEARE (UPC/EAN, Code11, Code39, Code93, Code128, Codabar, Industrial 2 of 5, Interleave 2 of 5, MSI/PLESSEY, etc.) Scan speed: 200 wavelengths: 650nm Power supply: 5 V DC - internal battery