... save 50% comparing with fluorescent light.2. Alternative switch power supplier to change the voltage, which ensures led work routinely.3 ... aging4. Minimal maintenance cost and pure,saturated color, no Flickering, no UV, good for eyes, environment friendly.5. Unique ... four years. 2. High-efficiency assembly lines, advanced automatic test equipments. 3. ISO9001:2008, ISO14001:2004, ISO10012 management ...