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  2. Wireless security camera - Wikipedia

    en.wikipedia.org/wiki/Wireless_security_camera

    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. The main difference between 2.4 and 5 GHz frequencies is range.

  3. Vivint - Wikipedia

    en.wikipedia.org/wiki/Vivint

    Vivint offers a range of integrated smart home and security products, including cameras, locks, safety sensors, thermostats, lighting, managed through the Vivint Smart Hub and mobile app. [2] As of 2024, Vivint has over two million customers across all fifty states with more than 27 million devices managed. The company employs more than 12,000 ...

  4. Home security - Wikipedia

    en.wikipedia.org/wiki/Home_security

    Closed-circuit, or CCTV cameras, stream through wired or wireless links. [ 9 ] These cameras stream live footage to users, allowing them to watch for suspicious activity. 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.

  5. Solar camera - Wikipedia

    en.wikipedia.org/wiki/Solar_camera

    A number of photographers, inventors and photographic businesses contributed to the design development of the solar camera. An antecedent was the solar microscope of c.1740, [5] employed in experiments with photosensitive silver nitrate by Thomas Wedgwood and Humphry Davy in making the first, but impermanent, photographic enlargements.

  6. Solar panel - Wikipedia

    en.wikipedia.org/wiki/Solar_panel

    Roof-mounted solar power systems consist of solar modules held in place by racks or frames attached to roof-based mounting supports. [25] Roof-based mounting supports include: Rail mounts, which are attached directly to the roof structure and may use additional rails for attaching the module racking or frames.

  7. Applications of photovoltaics - Wikipedia

    en.wikipedia.org/wiki/Applications_of_photovoltaics

    The smallest, often portable photovoltaic systems are called pico solar PV systems, or pico solar. They mostly combine a rechargeable battery and charge controller, with a very small PV panel. The panel's nominal capacity is just a few watt-peak (1–10 W p ) and its area less than 0.1 square metres (1 sq ft) in size.

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