555 Blue Single LED 6.3V Frosted Lens replacement bulb
(Polarized AC/DC)
Use this type bulb anywhere you would use a regular 555 bulb
Have all the protection in the bulb to insure that a LED short will not fry you transistors.
Polarized (AC/DC)
Frosted Diffusers are the same shape as the incandescent bulb that it will replace.
