| Model | AIFD-201/AIFD-502/AIFD-503 |
| Power Supply | DC 9V + 5% (current: below 1.5A) |
| Face Capacity | 1000/5000 |
| Fingerprint Capacity | 1500/5000 |
| Card Capacity | 1000/5000 |
| Transaction Logs | 10000/50000 |
| Camera Type | 2 MP Dual -Len Camera, WDR |
| Interface | Wiegand (26/34) |
| Communication | TCP/IP |
| Audio Output | Voice Interface |
| Battery | 3 Hours Battery Backup (Optional) |
| Power Management | Sleep Mode |
| FAR/FRR | 0.01/1(%) |
| Identify Speed | ≤1.0 seconds |
| Matching Mode | Supports 1: N |