7w E27 Standard Type LED Light Bulb, White 5000k, 40w Incandescent Bulb Replacement, 3-Pack 3-Pack 7W Cool White 5000K, 40W Incandescent Bulb Replacement Fully tested in supermarkets, hotels, cafes, banks, conference rooms, exhibition halls, and homes to ensure that you are getting the best quality and service life Energy efficient, can last many times more than any other bulbs, and it gives off good light Rated at &gt;35,000 hours, which could be 30 years depending on how much theyre used or at least 12 years when theyre used 8 hours per day No ultraviolet or infrared rays, or any harmful substances. UL listed