// Clean up zkfinger_deinit(); return 0;
The SDK is designed to work with ZKTeco USB fingerprint scanners, including: ZK9500, ZK8500R, ZK6500, and ZK4500. SLK Series: SLK20R and SLK20M modules. Installation Note for "Portable" Use
: Features encrypted fingerprint data transmission via USB 2.0 to protect biometric information.
ZKTeco does not officially distribute a "portable" SDK. The official distribution is an MSI installer that writes DLLs to system folders.