The difference between the red and laser barcode scanner 1) the red light emitted by the scanner is a very thick line (intermediate rough, two small), the scanner distance to the bar code scanner farther usb scanner, the red light is more coarse, The lower the scanning success rate, with a red gun scanning bar codes are generally required to sweep from the barcode very close to it. 2) is emitted from the laser scanner is a very thin, very uniform laser line, laser gun reading ability of a lot stronger than red light guns, laser guns can be very far away from the bar code is scanned, good performance laser scanner, or even In half a meter outside the scanning, and the red light as far as it does not exceed 20 cm. As long as the current red laser can read bar codes, so now is the laser scanner on the market and red light. When scanning a barcode scanner as a timely, accurate, reliable, economical means of data entry has been adopted by the logistics information system. Application has been popular wireless scanning gun in industrialized countries, has become a commodity exclusive world-wide "identity." Europe, Japan and so on countries has been widely used bar code technology, and are rapidly around the world to promote universal, its applications is still expanding. As a result of the bar code, the consumer quality of goods produced from the psychological sense of security, barcode recognition and shoddy products, anti-counterfeiting of false may also play an important role. Because the barcode technology has advanced and applicable, easy to grasp and quick and so scanner, advantage in information (data) acquisition of goods both in storage, a library, shelves and customer billing process or barcode scanner, have face (either whole package after unpacking the individual packaging or retail) How huge amount of data in the product information into the computer problem. If on a single product packaging, printed bar code symbol, the use of bar code reader, you can high-speed, accurate, and timely grasp the variety of goods (Num), quantity, price, manufacturer, date of manufacture and other information. Crowded queuing phenomenon not only improves efficiency, but also to attract more customers, reduce or eliminate customer billing and payment time of purchase. Bar code technology in China will serve as the main automatic identification technology, widely used in industrial automation control and information systems in various management and technical fields and to penetrate into more high-tech products. Scanner 7120, State Association (certified), Wenchang scanner provided by the Guangzhou City State Association Information Technology Limited. Guangzhou City State Association Information Technology Co., Ltd. (www.gzdb899.com) (www.gzdb899.com) is Guangzhou, the other leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum meet customer needs. Guangzhou State Association leadership with the staff warmly welcome all inquiries negotiations to create the Guangzhou State Association better future.