•  Motherboard can control 16 floors, with expansion board can control 32 floors
•  Can set the user card's control pricilege, pricilege floor, valid time, valid period
•  Using MF1 card and password to encrypting, and it's hard to copy
•  Can control the resource of the user card
•  No need to authorize the card in controller, and can set the pricilege of the card in computer 
•  Swing card to get to the target floor
•  External 485 card reader
•  Easy to setup, easy maintain, easy to use and userfriendly management