The restaurant has a scanner gun.

As a high-tech product closely combining optics, machinery, electronics and software applications, the scanner gun is the third generation of main computer input equipment after the keyboard and mouse.

Introduction

As a timely, accurate, reliable and economical data input method, barcode has been adopted by logistics information system. It has been widely used in industrialized countries and has become a unique "identity card" for goods in the world.

barcode technology has been widely used in Europe, America, Japan and other countries, and it is rapidly spreading all over the world, and its application field is still expanding. Because of the use of bar code, consumers have a sense of security on the quality of goods psychologically, and bar code can also play an important role in identifying fake and inferior products and preventing counterfeiting.