yueton Pack of 8 E12 Candelabra Screw to E26 / E27 Medium Screw Light Bulb Base Socket Adapter Converter Ideal for ceiling fans or lights with candelabra sockets that need to be converted to a standard medium base For use with CFL (fluorescent lamps) and LED bulbs only. Not for incandescent lamp and lamp used on bath heater Works with LED bulbs and CFL (Energy Efficient) bulbs only. Size:6*3.8cm/2.36*1.5"(approx); color:as the picture shown The Adapter fits for all voltages, but it is easy to heat up when the power is more than 50W.