: Primarily utilizes ActiveX controls (OCX) and DLL libraries to communicate between hardware sensors and application software. Compatible Hardware

The SDK provides driver support and image capture capabilities for several ZKTeco USB optical sensors:

: Provides interfaces for multiple development environments including VC++ , C# , Delphi , VB , Java , and NodeJS .

The SDK is built around the proprietary , known for its accuracy in both 1:1 verification and 1:N identification tasks.

: Supports both low-speed 1:1 matching (verification) and high-speed 1:N matching (identification).

Zkfinger SDK Development Guide C Api: Date: Sep 2016 - Scribd