... stable circuit designLong life of up to 50,000-80,000 hoursNo UV, No IR radiation, No mercury ... has a innovative management concept , who pay much attention to R&D ,quality ,cost , production ,efficiency and after sale ... , CCC, FCC,and RoHS . We have our own R&D team which is constituted with many talented and valued ... there are 30-50 pepole on the production . new quality power 5w E27 LED Spotlight