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  2. Emergency vehicle lighting - Wikipedia

    en.wikipedia.org/wiki/Emergency_vehicle_lighting

    The lightbars mounted on the cars are LED-based. The illuminated back-up lamps seen in the two cars in the foreground are being used as emergency lights which operate on a different circuit, rather than burning steadily to indicate that the cars are in reverse gear. LED lighting on an ambulance in Toronto

  3. SMD LED - Wikipedia

    en.wikipedia.org/wiki/SMD_LED

    The light from white LED lamps and LED strip lights is usually provided by industry standard surface-mounted device LEDs (SMD LEDs). [2] Non-SMD types of LED lighting also exist, such as COB (chip on board) and MCOB (multi-COB). Surface-mounted device LED modules are described by the dimensions of the LED package. A single multicolor module may ...

  4. Automotive lighting - Wikipedia

    en.wikipedia.org/wiki/Automotive_lighting

    Cars in the US only have red tail lights, and no blue lights; a vehicle displaying a red (forward-facing) light (flashing or not) coming towards a driver, or from behind the driver (in rearview mirror) indicates that an official emergency vehicle is coming, requiring the driver to yield, pull off to the side of the road, or otherwise get out of ...

  5. Emergency light - Wikipedia

    en.wikipedia.org/wiki/Emergency_light

    The lights consist of one or more incandescent bulbs or one or more clusters of high-intensity light-emitting diodes (LED). The emergency lighting heads have usually been either incandescent PAR 36 sealed beams or wedge base lamps, but LED illumination is increasingly common.

  6. LED lamp - Wikipedia

    en.wikipedia.org/wiki/LED_lamp

    A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...

  7. Dimmed lights, no in-store radio: Morning shopping at Walmart ...

    www.aol.com/finance/dimmed-lights-no-store-radio...

    Walmart is extending a program that is aimed at making its stores a less chaotic environment, which should be a welcome change for people with sensory disabilities, including autism and ADHD.. The ...