>> > The NVR is100% Hikvision ,support firmware upgrade. > Adopt Hikvision Acusense technology to minimize manual effort and security costs. DS-7616NXI-K1 16-ch 1U K Series AcuSense 4K NVR. 1 Hikvision Original DS-7616NXI-K1 4K 16CH AcuSense NVR（HDD not Included）.
eBay