| Model | SF300 |
| LCD | 2.8 inch resistive touch screen |
| Fingerprint Sensor | ZK Optical Sensor (500DPI) |
| Algorithm Version | ZKFinger V10.0 |
| Communication | TCP/IP, USB Host |
| Fingerprint Capacity | 1,500 |
| Card Capacity (Optional) | 5,000 (EM/IC Card) |
| Records Capacity | 80,000 |
| Access Control Interface | Electric lock, Door sensor, Alarm, Exit button, Door Bell |
| Wiegand Signal | Wiegand input & output |
| Aux. Input | 1ea for linkage function |
| Power Supply | DC 12V 3A |
| Operating Temp. | - 0°C to 45°C |
| Dimension |
105 mm. * 105 mm. * 34 mm. (Length * Width * Height) |