Abnormity lamp protect let the product more security and credibility. pc cover accord with CE and TUV standard. With emendation power factor circuit, lower waste, and save more energy. More easily start with the preheat start in low temperature and long life. Low temperature, no frequency flash, no noise, no electromagnetism interference, lower harmonic. Suitable for frequency on-off, and long lighting work such as shop, showing room, family, factory, office, workshop, water cluster lighting and decorated lighting. Excellence consistence, high stability and reliability, two years quality guarantees.