Reference:
NVR4-WKS-4TB-UK
NVR Workstations are designed to be stand alone units for recording , playback, and camera management. NVR Workstations include a keyboard and mouse. A display monitor, network switches and cabling for cameras are not included, see the accessories list for more details. An ACC license is not included with the hardware and must be purchased separately for either ACC Core, Standard, or Enterprise.