COB led lamp LED bulb -10w;energy saving -chip imported fromTaiwan -competitive price -prompt delivery; ... Index : >70Product size: Φ71mmMaterial: Aluminum+PC Milky coverFeatures: 1. All LED bulb light does not contain mercury and other harmful substances, without ... to 100lm/w, superior optical properties, energy saving 80% 3. LED bulb light leading low attenuation, lifespan is 10 times more than ...