For small business or personal use, managing less than 64 cameras, either analog camera or IP camera, use only one DVR to connect all cameras. One unit of NetDVR or PC based DVR will meet all the requirements. NetDVR supports up to 16 cameras full frame recording at D1 resolution. PCDVR supports up to 64 cameras full frame recording at D1 resolution. Live Center network software offers powerful and convenient remote management capability.