3W/5W/6W E27 LED Bulb silver shell 1,Shell color: gold, silver, black 2,Working ... frequency: 50-60HZ 3,Longevity: 50000H 6W E27 LED Bulb silver shellScope of Application: Widely used in commercial and domestic ... , library, corridor,etc. Product Features:1, Energy saving: ultra low power,and saves more than 80% energy than traditional incandescent lamp. 2, Environmental ...