... color photos. It comes standard with TCP/IP, RS-232/485, USB-host, USB-client, 8 functions keys, T9 input ... lock system. Versatile interface options including RS232/485, TCP/IP, USB Host, USB Client, Optional WIFI and GPRS; Specifications: Fingerprint Capacity ... 200,000 Sensor: Optical Sensor Communication: RS232/485, TCP/IP, USB-client, USB-host Standard Functions: Workcode, SMS, DLST, Scheduled-bell, ...