is 224.57 KB, has a resolution of 1206x1153 pixels and was uploaded on May 19, 2018 @ 5:07 am by user: frietto. It is filed under the tags: led lamp, lighting, electrical filament, tungsten, energy conversion efficiency. Click the blue button at the top to freely download: Bright Incandescent Light Bulbs Vector Material Bulb Incandescence png.