... Assurance3 years Application replace 60 w incandescent lampFeatures1, Made of led light source,constant driver,optical lens,and metal or other kinds ... heat-resisting and antiflaming creamy PC material .2,E27,MR16,GU10,G5.3 lamp holder.3,Built-in constant driver.Advantage1 ... shock resistance.4,High power led lamp cup use high light led as cold light source.It has no light pollution,with harmful chemical ...