A close up of a light bulb turning on, then off. The bulb then begins to flash on and off. The filament is visible inside the light bulb.

Name: A close up of a light bulb turning on, then off. The bulb then begins to flash on and off. The filament is visible inside the light bulb.
Uploaded: 2015-11-19
Duration: 9 s
Channel: stockfootageinc
Description: A close up of a light bulb turning on, then off. The bulb then begins to flash on and off. The filament is visible inside the light bulb.