K20
The ZKTeco K20 is a fingerprint time attendance and access control terminal with SSR functionality and a backup battery for power outage resilience.
It features TCP/IP and USB-host connectivity for fast data transfer, plus interfaces for third-party electric locks and exit buttons.
Key Specifications
| Feature | Specification |
|---|---|
| Display | 2.8-inch TFT Screen |
| Fingerprint Capacity | 3,000 |
| Card Capacity | 3,000 (optional ID/Mifare, SSR:1,000) |
| Record Capacity | 100,000 |
| Communication | TCP/IP, USB-Host |
| Standard Functions | Workcode, SMS, DST, Self-Service Query, T9 Input, Auto Status Switch, 14-digit User ID, Scheduled Bell, Backup Battery, Simple Access Control |
| Power Supply | DC 12V 1.5A |
| Operating Temp | 0°C–45°C |
| Operating Humidity | 20%–80% |
| Dimensions | 183 × 138 × 44.6 mm (approx.) |












