Display : 4.3-Inch Touch Screen Palm Capacity : 600 Fingerprint Capacity : 2,000 Face Capacity : 1,200 (1:N) /3,000 (1:1) ID Card capacity : 10,000 (optional) Logs capacity : 100,000 Communication : TCP/IP, USB Host Interfaces for : 3rd Party Electric Lock, Door Sensor, Exit Button, Alarm, Wiegand Out Standard Functions : Automatic Status Switch, Self-Service Query, Work Code, SMS, DST, T9 Input, 9 Digit User ID, Scheduled Bell, Photo ID Additional Functions : ADMS Battery : 2000mAH Power Supply : 12V 3A Dimensions : 193.6165111mm