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These cameras are widely used for commercial installations due to its flexibility.

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Nighttime videos use infrared light instead of visible light, so they don't match the color or detail of daytime videos.

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In 2011 KBR earned $540 million.

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The mounting plate 800 has a raised edge, and is configured to receive the device housing 702. When the device housing 702 is mechanically coupled to the mounting plate 800, the device housing 702 sits on or within the mounting plate 800, and the rear exterior surface of the device housing 702 is disposed substantially close to, or come into contact with a front surface of the mounting plate 800, allowing the rear exterior surface of the device housing 702 to be wrapped in the raised edge of the mounting plate 800. In some implementations, the mounting plate 800 includes a first open slot 802 and a second open slot 804 that are perpendicular to each other. For example, the first open slot 802 may be aligned with and parallel to a longitudinal edge of the elongated mounting plate 800, and the second open slot 804 may be oriented to be perpendicular with the longitudinal edge. Each of the first and second open slots 802 and 804 is configured to receive a body of a fastener e. g. , black ink. The dark color ink could be transparent to infrared light, such that the substantially opaque area is opaque to visible light and transparent to infrared light. In an example, the interior surface of the front cover plate 708 is entirely covered by the ink except the button opening 710 exposing the button top 706 and the substantially transparent area 712 covering the lens assembly 704. Further, in some implementations, the doorbell camera 106 includes an array of IR illuminators not shown in FIGS. 7A and 7B.

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After the advent of new analytics based on the data collection facilities of big data, the face of business research facilities has changed drastically.

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