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  2. Need to Work in the Dark? Turn to One of These Editor ... - AOL

    www.aol.com/done-dark-turn-one-rechargeable...

    Best Overall: ThruNite TC15 V3 2403 High Lumen Rechargeable Flashlight. Best Value: Anker Bolder LC40 Rechargeable Flashlight. Best Tactical: Fenix PD36R Rechargeable Flashlight. Highest Battery ...

  3. These rechargeable light bulbs let you use a lamp without an ...

    www.aol.com/entertainment/best-rechargeable...

    With these, you can put a table or standing lamp anywhere you want. It also comes with a handy remote with different brightness settings.

  4. 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 ...

  5. These rechargeable light bulbs let you use a lamp without an ...

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  6. Super Trouper (spotlight) - Wikipedia

    en.wikipedia.org/wiki/Super_Trouper_(spotlight)

    Super Trouper is a registered trademark for a series of follow spotlights used in stadium, concert, and special-event lighting. The lights are manufactured by Strong Lighting of Omaha, Nebraska, which acquired the Super Trouper and its larger cousin, the Gladiator, from its former manufacturer Syncrolite who had acquired them from Ballantyne Strong of Omaha, Nebraska (originally Strong ...

  7. Luminous efficacy - Wikipedia

    en.wikipedia.org/wiki/Luminous_efficacy

    Luminous efficacy of radiation measures the fraction of electromagnetic power which is useful for lighting. It is obtained by dividing the luminous flux by the radiant flux. [4] Light wavelengths outside the visible spectrum reduce luminous efficacy, because they contribute to the radiant flux, while the luminous flux of such light is zero ...