| System Parameters | 
| Fingerprint Recognition Duration | 
< 1 s | 
| Operation System | 
Linux | 
| Storage | 
800 cards, 50,000 events, 150,000 attendance records | 
| FRR (False Rejection Rate) | 
≤0.01% | 
| iVMS-4200 | 
Support | 
| FAR (False Accept Rate) | 
≤0.001% | 
| Fingerprint Comparing Mode | 
1:1 and 1:N, N=3000 | 
| Card Reading Mode | 
Supports Mifare Card, Including Cards with Special Shapes; Supports Reading Card in Metal Environment | 
| Card Reading Response Duration | 
< 1s | 
| Fingerprint Recognizer | 
Optical Fingerprint Recognizer Module | 
| Fingerprint Capacity | 
800 | 
| Device Interfaces | 
| Transmission Rate | 
LAN: 10/100 Mbps Self-adaptive | 
| USB Interface | 
USB 2.0, Type A | 
| General | 
| LCD Screen | 
2.8-inch 320 x 240 LCD-TFT Display Screen | 
| Key Board | 
Physical Keys (No Back Light) | 
| Power Supply | 
12 VDC/1 A | 
| Audio | 
1 Buzzer and 1 Loudspeaker | 
| Appearance Color | 
Black (Included), Gold (Optional), Silver (Optional), White (Optional) | 
| Installation | 
Surface Mounting, Metal Door Mounting, Desk Stand | 
| Application Situation | 
Indoor | 
| Working Humidity | 
10% to 90% (Non-Condensing) | 
| Working Temperature | 
-10° C to 55° C (14° F to 131° F) | 
| Dimensions (L×W×H) | 
140mm × 155mm × 30mm (5.51inch× 6.01inch × 1.18inch) |