Model: SLK20R
CPU: 280MHz DSP, Flash: 32 MB
Interface Socket: USB Type A
Image Quality: 2 million pixels CMOS
Live Fingerprint Detection








| General Information |
Product Type : USB Biometric Fingerprint Scanner
Brand : ZKTeco Model : SLK20R Device Type : Desktop Fingerprint Enrollment and Verification Scanner Fingerprint Sensor : SilkID Optical Fingerprint Sensor Sensor Technology : SilkID Fingerprint Technology Connection Interface : USB 2.0 Operating System Support : Windows and Linux (SDK Supported) SDK Support : ZKTeco Fingerprint SDK Application : Fingerprint Enrollment, Identity Verification, Time Attendance, Access Control, Banking, Government, Healthcare, POS Systems Compatibility : Compatible with ZKTeco Software and Third-Party Applications through SDK Additional Features : Fake Finger Detection, High-Speed Fingerprint Capture, Scratch-Resistant Sensor Surface, Plug-and-Play USB Connectivity, Compact Design |
| Fingerprint & Attendance |
Fingerprint Sensor Type : SilkID Optical Sensor
Fingerprint Capture Area : 15 × 18 mm Image Resolution : 500 DPI Image Quality : High-Definition Fingerprint Image Capture Verification Mode : Fingerprint Authentication Recognition Speed : Less Than 1 Second False Acceptance Rate (FAR) : ≤0.001% False Rejection Rate (FRR) : ≤1% |
| Power & Environment |
Fingerprint Sensor Type : SilkID Optical Sensor
Fingerprint Capture Area : 15 × 18 mm Image Resolution : 500 DPI Image Quality : High-Definition Fingerprint Image Capture Verification Mode : Fingerprint Authentication Recognition Speed : Less Than 1 Second False Acceptance Rate (FAR) : ≤0.001% False Rejection Rate (FRR) : ≤1% |
| Physical Specification |
Color : Black
Body Material : ABS Plastic Dimensions : Approximately 73 × 55 × 21 mm Net Weight : Approximately 120 g Connection Type : USB Cable Status Indicator : LED Status Indicator |
| Warranty Information | 1 Year Official Warranty |
The ZKTeco SLK20R Biometric Fingerprint Scanner is a professional USB fingerprint enrollment and verification device designed to deliver fast, accurate, and secure biometric authentication. Powered by ZKTeco’s advanced SilkID fingerprint sensing technology, this compact scanner captures high-quality fingerprint images even from dry, wet, or rough fingers. It is an ideal solution for businesses, government offices, financial institutions, healthcare organizations, educational institutions, and software developers that require reliable fingerprint verification for identity management, attendance systems, access control, and secure authentication.The ZKTeco SLK20R features a high-performance SilkID optical fingerprint sensor with 500 DPI image resolution, ensuring exceptional fingerprint capture quality and highly accurate verification results. Advanced fake finger detection technology helps identify artificial fingerprints made from silicone, rubber, or other imitation materials, providing enhanced protection against fraudulent authentication attempts. The scanner delivers fingerprint verification in less than one second, improving operational efficiency and reducing waiting time.
Unlike standalone biometric terminals, the SLK20R functions as a USB fingerprint scanner that integrates seamlessly with desktop applications. It connects through a USB 2.0 interface and requires no external power adapter, making installation simple and convenient. The scanner is compatible with Windows and Linux operating systems and supports integration with ZKTeco software as well as third-party applications through the official ZKTeco Fingerprint SDK. This flexibility allows developers and organizations to incorporate biometric authentication into customized software solutions.Its compact ABS plastic housing ensures durability while occupying minimal desk space. The scratch-resistant fingerprint sensor maintains consistent performance during continuous daily use, making the device suitable for high-volume enrollment and verification environments.The ZKTeco SLK20R Biometric Fingerprint Scanner is an excellent product for secure fingerprint authentication across various industries. Purchase this genuine product from Pro CCTV Solution to receive competitive pricing, authentic ZKTeco products, professional technical support, and dependable after-sales service. Whether used for employee attendance, identity verification, banking applications, healthcare systems, or software development, the SLK20R delivers reliable biometric performance, enhanced security, and seamless integration with professional authentication systems.
The ZKTeco SLK20R is a reliable biometric product featuring a SilkID fingerprint sensor for fast USB fingerprint enrollment and verification. Buy this genuine product from Pro CCTV Solution. for competitive pricing, professional support, authentic quality, and dependable after-sales service.
The ZKTeco SLK20R is a USB biometric fingerprint scanner used for fingerprint enrollment, identity verification, attendance systems, access control, banking, healthcare, and software authentication applications.
No, the SLK20R is powered directly through its USB connection and does not require an external power adapter for operation.
The scanner supports Windows and Linux operating systems and can be integrated with compatible applications using the ZKTeco Fingerprint SDK.
The SLK20R uses advanced SilkID optical fingerprint technology with 500 DPI image resolution and fake finger detection for fast, accurate, and secure fingerprint authentication.
Yes, the device supports integration with third-party applications through the official ZKTeco Fingerprint SDK, making it suitable for customized biometric authentication solutions.
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