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  2. Olympus μ9000 - Wikipedia

    en.wikipedia.org/wiki/Olympus_μ9000

    The Olympus μ-9000 (also known as the 'Stylus 9000') is the flagship model of Olympus' μ-Series line of point-and-shoot digital cameras. The μ Series consists of compact cameras characterized by small profiles, an optical zoom function, and a focus on stylish outward appearance.

  3. Forward-looking infrared - Wikipedia

    en.wikipedia.org/wiki/Forward-looking_infrared

    They can be used to help pilots and drivers steer their vehicles at night and in fog, or to detect warm objects against a cooler background. The wavelength of infrared that thermal imaging cameras detect is 3 to 12 μm and differs significantly from that of night vision, which operates in the visible light and near-infrared ranges (0.4 to 1.0 μm).

  4. Passive infrared sensor - Wikipedia

    en.wikipedia.org/wiki/Passive_infrared_sensor

    A PIR motion detector used to control an outdoor, automatic light. A camera trap with PIR motion detector. An indoor light switch equipped with PIR-based occupancy sensor [1] A PIR-based motion detector is used to sense movement of people, animals, or other objects. They are commonly used in burglar alarms and automatically activated lighting ...

  5. Occupancy sensor - Wikipedia

    en.wikipedia.org/wiki/Occupancy_sensor

    Occupancy sensor types include: PIR sensors, which work on heat difference detection, measuring infrared radiation.Inside the device is a pyroelectric sensor which can detect the sudden presence of objects (such as humans) who radiate a temperature different from the temperature of the background, such as the room temperature of a wall.

  6. Nightlight - Wikipedia

    en.wikipedia.org/wiki/Nightlight

    A nightlight is a small light fixture, usually electrical, placed for comfort or convenience in dark areas or areas that may become dark at certain times, such as at night or during an emergency. Small long-burning candles serving a similar function are referred to as "tealights".

  7. 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.

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