LED Bulbs are comes with different shapes and fittings...
LED Bulb Light COLOURs
The LED Technology enables to set the light colour temperature to a preferred colour.
"A LED lamp or LED light bulb is an electric light for use in light fixtures that produces light using light-emitting diode (LED). LED Bulbs have a lifespan and electrical efficiency which are several times greater than incandescent lamps, and are significantly more efficient than most fluorescent lamps."