... Communication:RS232, RS485, TCP /IP Proximity Time Attendance with Access Control and Camera M880 Introduction: M880 is a multimedia ... control connectivity for Wiegand-in, Wiegand-out, Door lock connection, Alarm, Bell, Remote to Exit switch.Features:Color TFT screen with ... Switch, T9 input, photo-ID, Camera, Web-serverAccess Control Interface for3rd party electric lock, door sensor, exit button, ...