http://www.houstonsecuritysolutions.com/resources/learning-center/security-camera-technology/10-not-so-obvious-benefits-of-ptz-cctv-cameras - Many Houston CCTV cameras are commonly seen in commercial establishments such as malls and shopping centers. Many people install a CCTV Houston camera in their home for theft prevention. If a crime is caught on CCTV cameras Houston devices, the investigation of the case will be easier.