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  2. Video door-phone - Wikipedia

    en.wikipedia.org/wiki/Video_door-phone

    A video door-phone (also known as a video door entry or video intercom) is a stand-alone intercom system used to manage calls made at the entrance to a building (residential complex, detached family home, workplace, etc.) with access controlled by audiovisual communication between the inside and outside. The main feature of video door entry is ...

  3. Door phone - Wikipedia

    en.wikipedia.org/wiki/Door_phone

    Video door phone indoor terminal.. Going a little further in time, we find video door phones featuring a video installation apart from the classical audio. In these cases, the intercom plate has the same structure as the previous version but features a video monitor connected to a surveillance camera that allows inspecting the person who pressed the button and part of the surrounding area.

  4. 8 Best Video Doorbell Cameras Under $60 - AOL

    www.aol.com/finance/8-best-video-doorbell...

    GEREE Wireless Video Doorbell Camera Cost: $40.99 The GEREE motion detection camera captures 1080p photos and video with night vision that you can save to a cloud service for an extra fee.

  5. Wireless intercom - Wikipedia

    en.wikipedia.org/wiki/Wireless_intercom

    A wireless intercom is a telecommunications device that enables voice communication without the need to run copper wires between intercom stations. A wired intercom system may incorporate wireless elements. There are many types of wireless intercom systems on the market. Most wireless intercom systems communicate by radio waves using one of the ...

  6. Smart doorbell - Wikipedia

    en.wikipedia.org/wiki/Smart_doorbell

    A smart doorbell is an internet-connected doorbell that notifies the home owner on his or her device (smartphone or any other gadget) when a visitor arrives at the door. It activates when the visitor presses the button of the doorbell, or alternatively, when the doorbell senses a visitor with its built-in motion sensors. The smart doorbell lets ...

  7. Apple is reportedly developing a home security product that ...

    www.aol.com/apple-reportedly-developing-home...

    The report said that Apple's doorbell system could work with existing third-party locks or the company could partner with one lock provider to sell a complete product. The technology is still in ...

  8. Doorbell - Wikipedia

    en.wikipedia.org/wiki/Doorbell

    Doorbell mechanism from 1884 in Andrássy Avenue, Budapest Antique mechanically operated shop doorbell on a torsion spring. William Murdoch, a Scottish inventor, installed a number of his own innovations in his house, built in Birmingham in 1817; one of these was a loud doorbell, that worked using a piped system of compressed air. [1]

  9. The Elite Hackers Controlling the Digital Underground

    www.aol.com/elite-hackers-controlling-digital...

    A group widely identified by the United States, Flax Typhoon poses a significant threat to national interests as it looks to hijack Internet of Things devices like smart cameras and video doorbells.