Obvious energy saving effectiveness, long lifetime, no radiation, no RF interference, no white noise, soft light rays, and a wide operating voltage range are all special features of LED lighting, and becoming well received daily.  As a consumer, how are you able to pick the best product to satisfy your needs with a wide range of LED lights spread out before you?   First is through packaging and trademark. LED lighting products are forced by the country to include the following information on the outside packaging label: voltage rating, voltage range,......