... constant current topology isolation circuit design for power supply, small size, power conversion efficiency is greater than 88%. There ... function, with low noise, low temperature, high efficiency, high power factor, energy saving, environmental protection, security, long lifespan. ... of light source, lifespan is above 50,000 hours.SPEC. Product CertificationsCE,FCC,ROHS,PSE,kEMAOur certificatesAbout us ...