| Brand | ZKTeco |
| Model | ACC-USBR-SLK20R |
| Sensor | ZK Optical Sensor, ZKFinger V10.0 |
| Sensor resolution | 500~1000 DPI |
| Image capture | Built-in 2 Mpx Camera |
| Communication | USB Type A 1.1/2.0 |
| Image size | 300 x 400 pixel(s) |
| Effective Collecting Area | 15.24 x 20.32 mm (FAP20) |
| Collecting Area | 16.5 x 23 mm |
| LED | White |
| Fingerprint | Normal, wet, dirty or in poor condition Detection of live prints |
| Compatible software | ZKTime Smallbusiness, ZKBioAccess IVS, ZKBio CVSecurity, ZKBioTime8 and ATLAS Series |
| Power | DC 5 V USB |
| Cable length | 150 cm |
| Degree of protection | Valid for interior |
| Temp. operation | -20º C ~ +50º C |
| Dimensions | 49 (W) x 44 (H) x 20 (D) mm |
| Weight | 120 g |