| Specification | |
| Model No. | Realtime A3 |
| Finger | 3000 |
| Attendance Records | 80000 |
| Display Screen | 128X64 Blue LCD |
| Voice | Yes |
| Fingerprint Update | Yes |
| Data Communication | TCP/IP, USB Port, SD Card Data download |
| Software | Realsoft (Free) |
| Power Voltage | 5Volt & 9Volt |
| Fingerprint Verification | 1:1 & 1:N |
| Finger Recognition Speed | less then 1 second |
| Fingerprint Sensor Area | 16mm X 14mm |
| Operation Mode | Ofline |
| Language | English |
| Access Control Option | 50 time Zone, 5 Group, 10 Access Combination |
