1. Energy saving, environment protecting; 2. Long lifespan; 3. Using constant current to drive 4. Good color saturation Features:1. Energy-saving, environment protecting and long life. 2. Using constant current to drive. 3. Low working voltage, secure and reliable.4. Low power consumption, good color saturation. 5. Color effects: Shifting in color changing gradually, skipping ,twinkling, chasing, ...