The ZKTeco ACC04K is an access control interface designed for flexible integration with ZKTeco access control panels. It supports multiple communication protocols, provides relay outputs for door lock control, and offers security features such as anti-tamper detection and fire alarm integration. With 4 input ports, it is well-suited for monitoring various sensors or inputs. Ideal for small to medium-sized installations, the ACC04K provides reliable and secure access management across various sectors such as offices, industrial sites, residential complexes, and educational institutions.