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2. 'Bright and reliable': These motion-sensor solar security ...

   www.aol.com/lifestyle/bright-reliable-motion...

   As the nights get longer, motion sensor lights are a must-have outside any home — for security, visibility, safety from tripping and a myriad of reasons. It's even better when you can find solar ...

3. Daylight harvesting - Wikipedia

   en.wikipedia.org/wiki/Daylight_harvesting

   [3] [4] In an open-loop system, the photosensor detects the amount of available daylight only, and can be positioned on the building's exterior wall or roof, or inside the building facing the window or skylight. In a closed-loop system, the photosensor detects the total photometric amount of light, from both daylight and electric sources in the ...

4. Sconce (light fixture) - Wikipedia

   en.wikipedia.org/wiki/Sconce_(light_fixture)

   The light of the candle flame was often intensified by a reflecting backplate. Using brackets, the candle or gas flame would be kept at safe distance from the wall and ceiling. [3] Modern electric light fixture sconces are often used in hallways or corridors to provide both lighting and a point of interest in a long passage. Sconce height in a ...

5. Lighting control system - Wikipedia

   en.wikipedia.org/wiki/Lighting_control_system

   The major advantage of a lighting control system over stand-alone lighting controls or conventional manual switching is the ability to control individual lights or groups of lights from a single user interface device. This ability to control multiple light sources from a user device allows complex lighting scenes to be created.

6. 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 ...

7. Motion detector - Wikipedia

   en.wikipedia.org/wiki/Motion_detector

   A motion detector attached to an outdoor, automatic light. A motion detector is an electrical device that utilizes a sensor to detect nearby motion (motion detection).Such a device is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area.