... led chip 3)High quality , CE ,RoHS,SAA certificated. 4)lifespan:50000 Quick Details :1) Different Power available for light ... 2) Fins heating dissipation design , Good heat sink 3) Lifespan :50,000 hrs4)Energy saving lamps than ordinary 80% 5)With ... 667mmMain materialAluminumApplication:Workshops, factories, storehouses, toll stations, gas stations, supermarkets, exhibition halls, gymnasium, and ...