ESSL UFace 302 Biometric Device High verification speed, Advanced and user-friendly UI, Chip encryption for firmware protection, Optional built-in battery backup providing approximately, 4 hours of continuous operation, Easy to extend functions and customize client’s requirements, One face template is registered for one user only. This device have Face Capacity : 3000, Fingerprint Capacity : 4000, ID card Capacity : 10000, Transaction Capacity : 100000, Push Data : Yes, Communication : TCP/IP, RS232/485, USB Host, Display : 4.3-Inch Touch Screen.