1.Open the door way:fingerprint,password,combination of other ways .2.Double authentication :with fingerprint encryption and dual-fingerprint combination of open the door.
Under the current environment, if you want to travel healthily, we recommend the use of masks, healthy breathing, and isolation of harmful substances. So for isolation protection, masks that do not use melt blown cloth as filter material have very limited
Body Camera has been widely used in all parts of the country traffic police, public inspection law, urban management, prison, frontier, military, traffic, mines, factories, ports and other institutions.Products are generally recognized and highly valued.