It is one of new products developed in recent year. The unit is equipped with transmission device made of wide width leather board imported form Italy. With split design in main operating table, it can prevent the chemical materials from interfering the computer. The digital infra-red scanning technology is used for photoelectrical scanning with identification rate 100%. In actual measurement, it has the characteristic not affected by other light. There are two kinds - stainless steel frame and plastic frame for clients choosing.