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2. 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 ...

3. Flashlight - Wikipedia

   en.wikipedia.org/wiki/Flashlight

   LEDs can be significantly more efficient than incandescent lamps, with white LEDs producing on the order of 100 lumens for every watt, compared to 8-10 lumens per watt of small incandescent bulbs. An LED flashlight has a longer battery life than an incandescent flashlight with comparable output. [9] LEDs are also less fragile than glass lamps.

4. Incandescent light bulb - Wikipedia

   en.wikipedia.org/wiki/Incandescent_light_bulb

   Light bulbs using coiled coil filaments are sometimes referred to as 'double-coil bulbs'. For a 60-watt 120-volt lamp, the uncoiled length of the tungsten filament is usually 580 millimetres (22.8 in), [77] and the filament diameter is 0.046 millimetres (0.0018 in). The advantage of the coiled coil is that evaporation of the tungsten filament ...

5. List of UWB-enabled mobile devices - Wikipedia

   en.wikipedia.org/wiki/List_of_UWB-enabled_mobile...

   Pro model only [9] Qorvo QM35725 Pixel 9: 2024 September Pro, Pro XL, and Pro Fold models only [10] [11] Qorvo QM35725 Pixel Fold: 2023 June All models [12] Pixel Tablet: 2023 June All models [13] Huawei: Mate XT: 2024 September Harmony OS Motorola: Edge 50: 2024 April Ultra model only [14] Google's Find My Device: NIO: NIO Phone 2 2024 July

6. Notification LED - Wikipedia

   en.wikipedia.org/wiki/Notification_LED

   A notification LED on a smartphone. A Notification LED is a small RGB or monochrome LED light usually present on the front-facing screen bezel (display side) of smartphones and feature phones whose purpose is to blink or pulse to notify the phone user of missed calls, incoming SMS messages, notifications from other apps, low battery warning, etc., and optionally to facilitate locating the ...

7. Edison light bulb - Wikipedia

   en.wikipedia.org/wiki/Edison_light_bulb

   Most of the bulbs in circulation are reproductions of the wound filament bulbs made popular by Edison Electric Light Company at the turn of the 20th century. They are easily identified by the long and complicated windings of their internal filaments, and by the very warm-yellow glow of the light they produce (many of the bulbs emit light at a ...