The ideal bulb

Bulb consistent with the description. Conventional packaging with all necessary information. Shipping via Amazon impeccable. I used this bulb for a range hood. A little larger than a standard bulb, but fits perfectly. Very bright, the illumination is slightly larger than a conventional 40-watt bulb, but virtually no heat, it is quite touching. Warm white identical to a standard bulb. Really perfect, very satisfied.

Perfect lighting, thanks to research on semiconductors, including the work of three Japanese winners of the Nobel Prize in Physics 2014. More than 20 years after their discovery, we can now enjoy an ultra-compact light, ultra- economical, with little loss (heat), and a virtually infinite lifetime. Welcome also the work of industry to develop, from the results of basic and applied research, product attractive and economically viable.
It's not over, the R & D continues to further increase the efficiency of LED and diversify their use.
Hopefully unscrupulous business do not come to interfere with their method of planned obsolescence or new inventions just as harmful to society.