... System 2.Fingerprint Time Attendance 3.Biometric Time Attendance Software 4.Allow you to collect, track,... FR-X638 ... of valid/invalid fingers~SDK available for OEM customers and software developers.Technical Specifications~Fingerprint Capacity: 3000 templates~Transaction Capacity ... Query, Automatic Status Switch~Optional Function: ID/Mifare/HID,USB-host,Webserver,printer,9 digit user ID~Display: 3 ...