Transfer your lamp with E39 mogul base to medium base E26
Ceramic material,high temperature and high temperature resistant
Up to 660 Watts MAX
Up to 300 Volts MAX
Durable and high quality adapter
if the lamp is mogul base E39,but your socket is medium base E26. And you dont' want to buy the new E26 lamp, you can used this adapter to match the socket. It's easy to transfter it and save your cost.