... on the 4.3 inches TFT touch screen. Multi-model communications includes RS232/485, TCP/IP, optional WiFi or ... or bell.Wiegand Output for connections to 3rd party access control panelsTechnical SpecificationCPU: 630 MHzMemory: 256M Flash, 64M SDRAMFace Capacity ... , DLST, Self-Inquiry, Work Code, Short Massage, T9 inputAccess Control Interface: Lock, door sensor, exit button, alarmWiegand Signal: Input ...