... 50 degree Celsius, and high luminous efficiency of every single LED. b) Superior raw materials of high quality aluminum, ... a perfect replacement for traditional bulbs. k) 50000hours lifespan (LED), 10 times more than traditional bulbs.l) Strict quality control ... lighting, villa, restaurant, hotel, meeting room, show room, shop, counter and so on. e) General lighting, task lighting, household appliances ...