DS-K2604T is Hikvision's Door Access Control Panel able to support up to 4 Entrance Doors, with a maximum of 8 Hikvision card readers or 4 Weigand card readers, 4 door sensors, 4 exit buttons, 4 alarm inputs and 4 alarm outputs. This powerful network enabled standalone door controller can connect to hikvision card readers / keypads / fingerprint scanners or alternatively Weigand protocol card readers with storage for up to 100,000 cards and 300,000 access control events.32-bit high-speed processorTCP/IP network communication, with self-adaptive network interface. The communication data is encrypted to ensure information securityThe recognition and storage of card number with maximum 20 digitsMassive storage with 100,000 (can be expended to 200,000) cards information and 300,000 (can be expended to 600,000) access control events