... high efficacy(up to 90LM/W), excellent in brightness; 2, for replacement of compact fluorescent light(CFL); 3, energy (and money) saving ... , that is LED plug-in light with 1W equals to compact fluorescent light with 2-3W; 4, long in lifetime, 6-8 times ... degrees, to satisfy different illumination requirement; to be used mainly in shops, stores, supermarkets, hotels, banks, offices, etc, for commercial ...