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  2. These home security cams — starting at $18, today only ...

    www.aol.com/lifestyle/snag-zosi-home-security...

    Keep an eye on multiple angles at once with these DVR beasts. 'It's like you're there,' says a fan. These home security cams — starting at $18, today only — record 24/7 without a subscription

  3. Wireless security camera - Wikipedia

    en.wikipedia.org/wiki/Wireless_security_camera

    Wireless security cameras function best when there is a clear line of sight between the camera(s) and the receiver. If digital wireless cameras are outdoors and have a clear line of sight, they typically have a range between 250 and 450 feet.

  4. Network video recorder - Wikipedia

    en.wikipedia.org/wiki/Network_Video_Recorder

    Simple NVR-based camera system. A network video recorder (NVR) is a specialized computer system that records video [1] to a disk drive, USB flash drive, memory card, or other mass storage device. An NVR itself contains no cameras, but connects to them through a network, typically as part of an IP video surveillance system. NVRs typically have ...

  5. Video management system - Wikipedia

    en.wikipedia.org/wiki/Video_management_system

    A video management system, also known as video management software plus a video management server, is a component of a security camera system that in general: Collects video from cameras and other sources; Records / stores that video to a storage device; Provides an interface to both view the live video, and access recorded video

  6. 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).

  7. Digital video recorder - Wikipedia

    en.wikipedia.org/wiki/Digital_video_recorder

    Astro introduced their DVR system, called Astro MAX, which was the first PVR in Malaysia but was phased out two years after its introduction. In the case of digital television, there is no encoding necessary in the DVR since the signal is already a digitally encoded MPEG stream. The digital video recorder simply stores the digital stream ...

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