ZKTeco K40 Fingerprint Time attendance and Access control

125kHz EM & 13.56Mhz MIFARE, MIFARE Plus, DESFire/EV1, FeliCa

NFC Not supported Not supported SUPREMA SUPREMA Supported

30,000

3,000

5 5,000,000 50,000 1.4 GHz Quad Core 8GB Flash + 1GB RAM 4” color TFT LCD 24 bit Voice DSP (echo cancellation) -20°C ~ 50°C (-68°F ~ 122°F) -40°C ~ 70°C (-104°F ~ 158°F) 0% ~ 80%, non-condensing 0% ~ 90%, non-condensing Device: 548g Bracket: 74g (Including washer and bolt) 141 x 164 x 125 Supported Not supported 10/100/1000 Mbps, auto MDI/MDI-X 1ch Host or Slave (Selectable) 1ch Input, 1ch Output 2ch Inputs 1 Relay USB 2.0 (Host) Not supported Not supported Supported DC 24 V

125kHz EM, HID Prox & 13.56Mhz MIFARE, MIFARE Plus, DESFire/EV1, FeliCa, iCLASS SE/SR/Seos

NFC, BLE Not supported Not supported SUPREMA SUPREMA Supported

30,000

3,000

5 5,000,000 50,000 1.4 GHz Quad Core 8GB Flash + 1GB RAM 4” color TFT LCD 24 bit Voice DSP (echo cancellation) -20°C ~ 50°C (-68°F ~ 122°F) -40°C ~ 70°C (-104°F ~ 158°F) 0% ~ 80%, non-condensing 0% ~ 90%, non-condensing Device: 548g Bracket: 74g (Including washer and bolt) 141 x 164 x 125 Supported Built-in, IEEE 802.11 b/g 10/100/1000 Mbps, auto MDI/MDI-X 1ch Host or Slave (Selectable) 1ch Input, 1ch Output 2ch Inputs 1 Relay USB 2.0 (Host)