Features: Access control controller for 2 doors on both sides Controller for access control of 2 doors double-sided Supports 4 Wiegand readers (w26/w34) for access control 4 relay outputs (2 for electric lock control for access control, 2 for alarm) 6 alarm inputs (2 door status, 2 for Exit button, 2 programmable) Buffer memory for 10,000 users and a log of up to 50,000 access control events Built-in TCP/IP communication interface LED status indication (power, communication, system problem) Supports NTP time synchronization, watchdog function, online/offline operation mode Local Anti-passback Allow user access with master card Control and programming via iVMS-4200 Included in the kit metal box with key and power supply unit (without battery backup) Power supply: 220/12V 50W Dimensions: 285mm×237mm×69mm SKU: DS-K2802 Categories: Access Control, Access Controllers, HIKVISION Security