The Wi-Fi / IP Video Doorphone allows to remote control of the electromagnetic lock using smartphone or tablet; The number of subscribers served: 1 ; Resolution: : 720p ; IR illuminator; proximity reader built-in: Access control cards - 13.56 MHz S50 ; RS-485 interface; Alarm inputs: 1 pcs ; Main features: Bidirectional communication, Tamper detection - opening the enclosure ;