Security Finger Fingerprint Capacity 3000 Card Capacity 3000 Log Capacity 100000 Display 2.8 inch TFT Door Sensor Supported Door Lock Yes, 3rd Party Electric Lock Doorbell Yes Connectivity RS232/485, TCP/IP and USB-host Power Supply DC 12V 1.5A Other Features WDMS / Web Server / SMS / Automatic Status Switch / Self Service Query / Work Code / T9 Input / 9 Digits User ID / DST / Schedule Bell Function ZKTeco K40 Extra Features Battery backup Door lock integration ZKTeco K40 Description ZKTeco K40 fingerprint reader time attendance system has 2.8 inch TFT screen, TCP/IP / USB communication, 3000 fingerprint capacity, 3000 ID card capacity, 100000 record capacity, optional ID / Mifare function, DC 12V 1.5A power supply, 2000 mAh battery, WDMS / web server / SMS / automatic status switch / self service query / work code / T9 input / 9 digits user ID / DST / schedule bell functions.
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