Double-door Access Controller, Accessible Card Reader: 4 Wiegand readers & 4 RS485 readers; Input interface: Alarm input ×4, Door contact ×2, Exit button ×2, Case input ×4, Tamper alarm ×1; Output interface: Lock relay ×2, Alarm relay ×4; Supports encrypted TCP/IP communication, EHome 5.0 and ISAPI protocol; Supports RS-485, OSDP and Wiegand protocol (W26/W34) for accessing Card reader; Storage with 100,000 cards information and 300,000 access control events; 12VDC