Features 1??There are several ways to unlock: fingerprint, card, password or combination unlock. 2??The 500 DPI is immersed in a hidden fingerprint sensor that is unaffected by dry fingerprints and intense sunlight. 3??Wiegand input, output is used in conjunction with the access controller. 4??Standard TCP / IP, RS485, USB, used to communicate with computers and servers. 5??Used with software management for attendance and access control. 6??A bright keyboard for easy operation at night. Free SDK and software. 7??Double door interlock function, support door lock, door sensor, alarm, exit button, wired doorbell. Specification Condition: Item Type: Access Control and Attendance System Size: Approx. 2.4in Work: Independent or Network Identification Type: Fingerprint / Card / Password (or Combination) Recognition Speed: