| Brand | ZKTeco |
| Model | ICLOCK680 |
| Sensor | ZK Optical Sensor |
| Sensor resolution | 500DPI |
| Activation sensor | Infrared auto-activation |
| Algorithm | ZK Finger 9.0 and 10.0 |
| Read time | < 1 sec |
| Time & Attendance control functions | Work codes, Customized messages, Siren calendar, Automatic mode switching, 8 presence control modes, Shortcut function keys |
| Capacity | Up to 8.000 prints and cards |
| Records | 200.000 registers |
| Identification modes | Fingerprint, card, PIN and combinations |
| Proximity card | RFID EM 125 kHz, MF 13.56 MHz Classic, MF DESFire EV1, MF DESFire EV2, MF Ultralight, MF Ultralight C, MF Plus X, MF Plus S and NTAG213 |
| Screen | 3.5" Color TFT |
| Camera | 300.000 integrated pixels for user photos and security photos |
| Communication | TCP/IP, RS485, RS232 and USB |
| Software | ZKBioTime 8.0 / ZKGoTime Cloud |
| Power | DC 5 V / 1.5 A max. |
| Temp. operation | -0º C ~ +45º C |
| Dimensions | 205 (W) x 150 (H) x 41.6 (D) mm |
| Weight | 1400 g |