... of state standard(304) grade stainless steel, and its rustproof, durable, and can resist external destroy. Its structure of cuboid ... serveral control devices IC ,ID, magcard, bar code, fingerprint and etc.2)Smoothly operation, low noise3)Automaticaaly reset function: ... buyers.Users include:Station, port, view spot, exhibition, swimming club, enterprise and institution, special access and so on