SLK20R

The ZKTeco SLK20R is a desktop USB fingerprint enrollment reader with advanced optical sensor technology designed for high-quality fingerprint capture and anti-spoofing in access control systems.
It features a 2-megapixel CMOS sensor that reliably scans dry, wet, or rough fingerprints with live finger detection capabilities.
Key Specifications
Feature
Specification 
Sensor Type
Optical CMOS, 500 dpi
Image Size
300 × 400 pixels
Capture Area
16.5 × 23mm (FAP20 compliant: 15.24 × 20.32mm)
Processor
280MHz DSP
Memory
32MB Flash
Interfaces
USB 2.0 (Type A, backward compatible USB 1.1)
Power
5V USB (200mA scanning, 60mA idle)
Liveness Detection
Yes (hardware anti-spoofing)
Operating Temperature
-20°C to +50°C (90% RH)
Finger Rotation
360°
Dimensions
49 × 44 × 20.1 mm
Weight
120g
Certifications
FCC, CE, RoHS, PIV
OS Compatibility
Windows XP/7/8/10 (32/64-bit), Android