| Model Name | 
SLK20R | 
| Material | 
Optical | 
| CPU | 
280MHz DSP | 
| Flash | 
32 MB | 
| SoC | 
RTOS[image out only] | 
| Image Quality | 
2 million pixels CMOS | 
| Encrypted Fingerprint Data | 
YES | 
| Sunlight Operation | 
Yes, Dark field and Automatic Gain / Exposure | 
| Water Splash | 
YES | 
| Dry, Wet, or Rough Fingerprints | 
Work well | 
| Power Consumption | 
5V:200mA Scanning;5V:60mA idle (waiting for finger) | 
| Live Fingerprint Detection | 
YES | 
| LED | 
White | 
| Product Certifications | 
FCC, CE, RoHS, PIV | 
| Power Voltage | 
5V (USB) | 
| Power Current | 
200mA | 
| Communication | 
USB 2.0 / USB1.1 | 
| Interface Socket | 
USB Type A | 
| Image Resolution | 
500~1000 dpi | 
| Effective Collecting Area | 
15.24 * 20.32 mm (FAP20) | 
| Collecting Area | 
16.5 * 23 mm | 
| Image Size | 
300 * 400 pixel (FAP20 ) | 
| Dimension | 
49 * 44 * 20.1mm (L*W*H) | 
| Image Format | 
RAW, BMP, JPG | 
| Template | 
ZKFinger V10.0 ; ISO19794-2 ; ANSI-378 | 
| Template Size | 
1- 4KB (ZKFinger V10.0);1568 B (ISO 19794-2) | 
| Gray Level | 
256 | 
| Weight | 
0.12kg | 
| Operating Environment | 
-20 °C ~ +50 °C; 90% r.h. | 
 
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