USB interface plug and play; Without installation drive easy operation; Comfortable to use; Anti-shock and anti-drop. - Light source type: Visible laser diode 650nm wavelength - Scanning mode: Single scan key trigger automatic continuous scanning automatic flash scanning - Scanning accuracy: 0.10mm (PCS0.9) - Interface supported: RS232 PS2 USB - Print Contrast: 30% minimum reflectance difference - Error rate: 1/5000000 - Tip way: Buzzer lamp - Scanning way: Manual / Auto - Application: Express code scan POS cash register libraries supermarkets clothing hospitals offices business organizations of various chain inventory management companies pipeline operations production process management export ferry airports and many other fields.