Surveillance cameras have become an urgent necessity not only to detect crimes but have become an important role in the control of functionality and administrative control, in addition it has become an important requirement for obtaining many certificates such as ISO certificate and some Government licenses, Thanks to the pace of technical development which provided to us these cameras in different Lenses clarity And technologies, we become able to monitor several places in different countries from one place and on a single screen and even if this screen was your mobile screen !!