ZKTeco K40 fingerprint reader time attendance system has 2.8 inch TFT screen, TCP/IP / USB communication, 1000 fingerprint capacity, 1000 ID card capacity, 80000 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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