Closed-circuit television abrogated as CCTV is a security camera used to keep an eye on some spots. It is helpful to get all the information that is happening in the place where it is installed. It is used for security purposes. It can even be used as evidence in the court when someone gets the title of doing the wrong thing in which he has not taken any part. That time, he can easily get the CCTV footage and submit it before the court as evidence. Other than that, it is used for security purposes. It will be assisting the area where it is installed. Types of Cameras with Protection: • Dome Cameras • PTZ (Pan Tilt Zoom) • Cameras Multiple • Doorbell Cameras • Wireless Security Cameras • Bullet Cameras • Turret Cameras • Cameras Fisheye • Sensor Cameras Best cameras to install and to assist the room where it is installed There are various security cameras like wireless cameras, night cameras, audio cameras, normal cameras, etc. It will be available in different sizes and different shapes. It should be installed normally in corner places, but it can be installed even in other places, depending on the room type. There are persons called Security System Installers who install security cameras very wonderfully and places to cover the whole area. This is the basic use and knowledge about security cameras. When it comes to security cameras, it becomes necessary for someone to install it in every single place because it is the one which helps that person to know about the happenings in his entire place means for example in shop owner can see everything happening in the shop by sitting at one place. So it is a kind of security against theft and helps the owner see if anybody is cheating for him. Nowadays, security cameras are installed everywhere, even in schools, to avoid cheating in the exam.