... LED Bulb 1.Epistar/Edison/Cree LED Chip 2.3W E27 Base,CE,FCC,RoHS 3,Lifspan:50000hrs 4,Warranty:3 Year High Lumens Transparent E27 ... temperature 50 degree Celsius, and high luminous efficiency of every single LED. b) Superior raw materials of high quality aluminum, helps heat ... humming. h) Energy saving up to 84%. i) Built-in high efficiency constant current driver, Wide Voltage AC85-264V 50/60Hz input ...