Its not only about the cameras. Its currently expensive to store all that HD video. ( and now, one cant just upload it to the cloud. Necessary bandwidth isn't

Its not only about the cameras. Its currently expensive to store all that HD video. ( and now, one cant just upload it to the cloud. Necessary bandwidth isn't yet available locally ). One are also dealing with a lot of legacy systems her. But the next generation surveillance system will probably be HD, and then maybe 3D, 4k, 16k etc.