精品久久久久久综合网-精品久久久久久中文字幕一区-精品久久久久久中文字幕2017-精品久久久久久中文-精品久久久久久影院免费-精品久久久久久免费影院

1. it's made of PC+, which has good stability, electric insulation and corrosion resistance. It won't change color after long-term use; The back part of the lamp was made of the metal, which had excellent heat removal. The chip heat could be extracted effectively and the service life of the whole lamp could be improved.

2.SMD2835 light source, with index more than 80, long life, good color stability and no color difference in large area; The whole light effect was more than 80lm/W, which was highly efficient and energy saving.

3. it was made of high-quality PMMA board with a transparent rate of more than 90%. The light was arranged in a scientific way, and the light was even without any [暗影].

4. it has a high-quality driver and constant current output, which can guarantee the lifespan and light decline of the LED. The power factor is more than 0.8, and there is no video flash. It's convenient to install and improve the efficiency.