NVRDS7716NXIK416PALR

Hikvision NVR Hikvision DS-7716NXI-K4/16P/Alarm16+9

NVRDS7816NXII2S

Hikvision NVR DS-7816NXI-I2/S

NVRDS7916NXII4SC

Hikvision NVR Hikvision DS-7916NXI-I4/S(C)