Features:

1) Model: E17-E26 E27 lamp holder adaptor Converter;Lamp Adapter; 
2) Lamp holder adaptor used  for all kinds of LED light / Halogen bulb / CFL Light Bulb lamp; 
3) Change E17 base to adapter E26 E27 Fitting, E17 male, E26 E27 female; 
4) Materials: conductive copper + Fire proof PBT materials;

5) It have no electrical component inside,so it don't change voltage,current and power.