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 ... power,and saves more than 80% energy than traditional incandescent lamp. 2, Environmental protection: no radiation,no mercury or lead, ... ~50,000 hours,life is 10 times longer than traditional lamp. 4, High-brightness light sources: adopt 1W high-power ...