... years Application replace 60 w incandescent lampFeatures1, Made of led light source,constant driver,optical lens,and metal or other kinds ... ,(parabola curve design) to decrease light loss.4,Soft light,without black spot and yellow ring.5,Plating treatment,with high reflective ... lamp holder.3,Built-in constant driver.Advantage1,Many colors for choosing.White,warm white,green,red,blue,yellow ,RGB ...