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2. Wireless security camera - Wikipedia

   en.wikipedia.org/wiki/Wireless_security_camera

   Wireless security cameras are closed-circuit television (CCTV) cameras that transmit a video and audio signal to a wireless receiver through a radio band. Many wireless security cameras require at least one cable or wire for power; "wireless" refers to the transmission of video/audio. However, some wireless security cameras are battery-powered ...

3. Closed-circuit television - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television

   Surveillance cameras on the corner of a building. Surveillance camera in a residential community. Dome camera in Rotterdam central metro station. Closed-circuit television ( CCTV ), also known as video surveillance, [ 1][ 2] is the use of closed-circuit television cameras to transmit a signal to a specific place, on a limited set of monitors.

4. Home security - Wikipedia

   en.wikipedia.org/wiki/Home_security

   Home security. Home security includes both the security hardware placed on a property and individuals' personal security practices. Security hardware includes doors, locks, alarm systems, lighting, motion detectors, and security camera systems. Personal security involves practices like ensuring doors are locked, alarms are activated, owning a ...

5. How to spot hidden surveillance cameras in your Airbnb ... - AOL

   www.aol.com/news/spot-hidden-surveillance...

   Cameras can be hidden in vents, lamps, power outlets and objects like humidifiers and TV remotes. It's essential to know your rights in your rental. How to spot hidden surveillance cameras in your ...

6. Hidden camera - Wikipedia

   en.wikipedia.org/wiki/Hidden_camera

   A hidden camera can be wired or wireless.Hidden cameras connected, by cable or wirelessly, to a viewing or recording device, such as a television, computer, videocassette recorder, network video recorder, digital video recorder, memory card, or another data storage medium.

7. Surveillance - Wikipedia

   en.wikipedia.org/wiki/Surveillance

   Surveillance is used by citizens, for instance for protecting their neighborhoods. It is widely used by governments for intelligence gathering, including espionage, prevention of crime, the protection of a process, person, group or object, or the investigation of crime. It is also used by criminal organizations to plan and commit crimes, and by ...