... light, save 50% comparing with fluorescent light.2. Alternative switch power supplier to change the voltage, which ensures led work routinely ... and pure,saturated color, no Flickering, no UV, good for eyes, environment friendly.5. Unique patented heat sinking design6. Color: warm ... all the partners. FACTORY VIEW PICTURE:CERTIFICATES:PATENT CERTIFICATES: 2012 High Power 9w led ceiling lighting