... quality light source, the attenuation of the LED is less than 5% by 5,000hrs, aging test under temperature 50 degree ... replacement for traditional bulbs. k) 50000hours lifespan (LED), 10 times more than traditional bulbs.l) Strict quality control, 72hrs aging and complete ... , household appliances.f) Architectural lighting, Decorative / pathway lighting, Street lighting.More Photos About US: