dahua sd6582a-hn ptz NVR, CMS(PSS/DSS) & DMSS; 20x optical zoom and 12x digital zoom; ... to 24 privacy masking areas> Built-in Web server, NVR, CMS(PSS/DSS) & DMSSDome Drive:> Max 400 °/s pan speed, 360 ... download, Log information, Maintenance & UpgradeLocal RecordingSD/SDHC, Max 32GBUser InterfaceWEB, CMS(DSS/ PSS), DMSS, NVRGeneralPower SupplyAC 24V/3A(±10%)Power Consumption12W ...