... No Strobe, No Radiation; 4)Easy Installation,Long Life. High Quality,Competitive,Best service,Professional Descriptin ... with Samsung patent are used in our Led bulbs. High brightness.120-140lm/w, High Colour Rendering Index (CRI) :80%,Long life span ... , we'll send new driver;2). If LED failed, we'll send new LED;3). Unclear ... reason, we will send full new set. All freight ...