A:Answer This system comes with a 4 channel NVR. Other Zmodo IP cameras will connect to this NVR, as long as a channel is available. So, if you disconnected one of the included cameras, the NVR would be able to connect to another Zmodo IP camera. If you have any other question on this process, please contact our support team at 217-903-5037 Monday through Friday from 8 a.m. to 8 p.m. Central time.