The Unitech MS331 is a durable, user-friendly bar code scanner. The MS331 features high performance at a cost-effective price, giving users in health care, office, light industry and other areas an excellent productivity enhancement tool. The MS331 features a long-range CCD scanner with an extended depth of field, plus a scan width of up to 18cm. The high reliability and first-pass scanning success rate of the Unitech MS331 makes data collection tasks faster and more efficient. An audio beeper and visible good-scan LED show users their scans have been read properly. The MS331 also features a variety of connection options, including USB, RS232 / serial and PS/2 keyboard wedge.