YouOKLight YK1155 6PCS E27 48 x 5730 SMD 4W 280LM 6000K Cool White Light LED Corn Bulb (110-120V) High energy: saving energy is pollution-free and environmentally friendly.the same lighting effects than traditional energy sources more than 80%. Long life: LED light source that some people call longevity light,which means the light never goes out.Solid cold light source, epoxy resin,light body and no loose parts,there is no filament light easy to burn,heat deposition,the light fades and other shortcomings,longer life than conventional light sources more than 10 times. Lee Green: environmental benefits of better,no ultraviolet and infrared spectra,neither heat nor radiation,glare is small,and recyclable waste,no pollution,no mercury elements,safe touch,typical of the green lighting. Unique heat dissipation design process to make the LED light source life can reach more than 30000 hours, the whole life do not need to change light source of lamps and lanterns, low maintenance cost