The Bulb mounts in any standard screw-type fixture, and uses six watts of power to produce a light output equivalent to that of a 40-watt incandescent bulb
The Bulb Flashlight is a light bulb that converts into a flashlight when needed
It's highly possible that you may own one of those rechargeable flashlights, that sits plugged into an outlet when not in use. While you may not have to worry about its batteries being dead when you finally need to use it, it does spend most of its time occupying an outlet, doing nothing. MoMA's Bulb Flashlight, on the other hand, doubles as an LED light bulb.
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