ZKTeco K21/ID

K21 is a 2.8 inch compact time and attendance device which best fits companies that have less than 500 employees. The built-in Self-Service Recorder software also enables a quicker tabulation and calculation of stored data.


Fingerprint Capacity: 3,000
ID Card Capacity: 3,000 (optional SSR: 1,000)
Record Capacity: 100,000
Communication: TCP/IP,USB Host
Standard Functions: Work Code, Short Message, DST, Self Service Query, 9 Digit User ID, Automatic Status Switch, Schedule-bell, T9 Input


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