Hidden Cameras are compact in size and are used for secret monitoring. They are usually installed in public place like department stores, theaters, clubs etc. Hidden cameras have a built in recorder that records and broadcast simultaneously.    

  CCTV cameras are being installed everywhere for purpose of security and crime prevention and detection. There are many types of CCTV camera are available for this purpose. There are :-

A CCTV camera system includes one or more cameras images and audio data to a monitor. Essentially, these camera systems use cameras to transmit the signals to a main hub which when records that data for later viewing or live viewing if you have full time security personnel on your premises.  

IR Day / Night Cameras are used for high alert security area where surveillance needs to happen day and night. These cameras are used by military personals, in parking lots and high security zones.