Access Control
Compare the listed ZKTeco access-control terminals, readers, enrolment devices and I/O expansion board. Start with the role the device must perform in the complete door system, then check its exact credentials, communication and installation requirements.
Choose the device's role
Use Standalone Devices for terminals with their own documented identification and access functions, or Readers when identification data must be passed to a compatible host controller. A reader connection does not establish a complete lock-control system.
Separate enrolment from door operation
Biometric Readers & Enrollment contains peripherals for capturing credentials into a compatible application. For additional system inputs and outputs, the currently listed EX0808 is an expansion board; it is not a replacement for the main access controller.
Specify the installation together
Identify the credential technology, exact terminal or reader version, controller, software, electric lock, power supply and exit arrangement. Compare the quoted package against those requirements rather than treating optional hardware or a compatible accessory as included.