Four Doors TCP/IP access controller board

     ·   TCP/IP access controller mother board for four-door in and exit button out    

     ·    Support four readers & four exit buttons     

     ·   Large user capacity: 20,000    

     ·   Event log :100,000pcs ( can be saved on controller permanently )    

     ·   Free software and SDK    

     ·   Specially suit for the government,enterprise,school,smart building etc