SYRIS ACCESS CONTROL SYSTEM COMES IN A RANGE OF CARD ACCESS CONTROLLER AND READERS FOR DOOR ACCESS CONTROL SECURITY LOCKING. SOME OF MAIN AVAILABLE CONTROLLERS ARE Multi-Door Compact Type Controller(V4A) SY260NT-V4A, Multi-Door Network Controller SY330NT-N-SV5A, Multi-Door Network Controller(PCB) SY330NT-N-PV5A, Multi-Door Compact Type Controller SY260NT-V3F, Multi-Door Controller (PCB) SY230NT-PV4, Multi-Door Controller SY230NT-SV4