This product has the function of offline operation and requires no internet support. Moreover, the images of two eyes are captured at the same time, and only if both of two eyes are recognized, the authentification can be passed.This product has acquired the function of access control; with a faster recognition speed and a large capture capacity is the featured product of the company in this year. Its performance is superior to the performance of the products made by other manufacturers in China. The product is equipped with quite a few of biological recognition functions, such as finger prints, cards (ID, IC), photograph and screen display. The recognition distances may also be adjusted according to the requests of users. This product is applied in access control with a large number of people, rapid outward and inward channels, confidential rooms, gun stores and treasuries.