555 White W1 Cool White Single LED 6.3V Frosted Lens replacement bulb (Polarized AC/DC)
Bluish tint white bulb
Have all the protection in the bulb to insure that a LED short will not fry you transistors.
Use this type bulb anywhere you would use a regular 555 bulb
Frosted Diffusers are the same shape as the incandescent bulb that it will replace.
NOT RECOMMENDED FOR GI LOCATION