Turbo HD Cameras (TVI)
TVI cameras were introduced by Hikvision, another important brand in video surveillance. This guarantees a reliable and valid technology, who marries in particular Hikvision, will have as a mandatory way to opt for this technology where you can still guarantee resolutions with tvi cameras at 720p and tvi cameras at 1080p, and the full range, then tvi bullet cameras, tvi dome cameras finally tvi ptz cameras. What is possible on the other technologies is also possible with TVI technology, in fact these are only personal choices, even here the passage on coaxial cable is possible over long distances and there are both fixed focal length cameras and varifocal cameras.
In addition to Hikvision cameras, Hyundai cameras are also TVI.