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2. Home security - Wikipedia

   en.wikipedia.org/wiki/Home_security

   Current cameras feature abilities such as motion detection and two-way audio, allowing users to receive notifications of activity and speak and listen through the camera. Home surveillance cameras used for security purposes have become more accessible, but have sparked security concerns from consumers.

3. Wireless security camera - Wikipedia

   en.wikipedia.org/wiki/Wireless_security_camera

   Analog wireless is found in three frequencies: 900 MHz, 2.4 GHz, and 5.8 GHz. Currently, the majority of wireless security cameras operate on the 2.4 GHz frequency. Most household routers, cordless phones, video game controllers, and microwaves operate on the 2.4 GHz frequency and may cause interference with a wireless security camera.

4. IP camera - Wikipedia

   en.wikipedia.org/wiki/IP_camera

   The first centralized IP camera, the AXIS Neteye 200, was released in 1996 by Axis Communications. [3] Although the product was advertised to be accessible from anywhere with an internet connection, [4] the camera was not capable of streaming real-time video, and was limited to returning a single image for each request in the Common Intermediate Format (CIF).

5. Day and night camera - Wikipedia

   en.wikipedia.org/wiki/Day_and_night_camera

   A day and night camera is a security camera that can see the picture during the day hours, when there is enough sunlight, and during the night in total darkness or minimum illumination. A day and night camera has special lenses that allow infrared emission produced by infrared LEDs and reflected from objects to go through and reach a CCD or ...

6. Night vision - Wikipedia

   en.wikipedia.org/wiki/Night_vision

   Active infrared night-vision combines infrared illumination of spectral range 700–1,000 nm (just over the visible spectrum of the human eye) with CCD cameras sensitive to this light. The resulting scene, which is apparently dark to a human observer, appears as a monochrome image on a normal display device. [ 13 ]

7. Hanwha Vision - Wikipedia

   en.wikipedia.org/wiki/Hanwha_Vision

   Hanwha Vision (Korean: 한화비전; RR: Hanhwa Bijeon), founded as Samsung Techwin, is a video surveillance company. [2] It is a subsidiary of Hanwha Group . The company employs 1,822 people and is headquartered in South Korea .