E39 to E26/E27 Adapter JACKYLED 1 Pack of Mogul E39 to Medium E26/E27 Light Bulb Lamp Socket Porcelain Converter Max Watt 660W MAX WATTAGE: The maximum wattage is 660 watts and the voltage is 250V, allowing you to use high wattage bulb. The adapter will not convert the voltage. If you have 110V, it will keep 110V. Likewise, 220V will not change. This adapter is only suitable for physical dimensions. MATERIAL:The adapter is made of metal and fireproof ceramic (unlike some cheap adapters made out of cardboard and bakelite). High voltage resistant.The heat resistant is up to 200 degree. APPLICATIONAre you worried about not finding the right bulb for your antique fixture? This converter can solve your troublesThis socket converter can be used to convert a standard E39 Mogul size lamp to a lamp suitable for any medium (E26/E27). It fits any E26/E27 standard medium bulb. EASY TO INSTALL: The bulbs fit into the adapters very easily and each one of ours fits securely. Doing this enabled us to replace the old CFL's we had with something that is non-toxic and uses less electricity. 100% SATISFACTION GUARANTEE: 1 pack.We strive to provide each customer with the highest standard of customer service to ensure you have a pleasant shopping experience. If you have any issues, inquiries or need assistance, please feel free to contact us directly. 30-day money-back guarantee for any reason, 12-month warranty for quality-related issues. With supporting large wattage, you can use not only low wattage bulbs but also high wattage bulbs. Perfectly meet your need of different kinds of lighting effect. This adapter is made from heat resistant ceramic and aluminium material, It&#039;s better than poorly made plastic adapters that can melt from the heat of your lamps. The heat resistant is up to 200 degree. It can not be ignite easily. Safe from electric flaming. This adapter is E39/E40 to E26/E27 Adapter, fit for any type of E26 E27 bulb. Home and office lighting Shopping mall lighting Display case lighting Art lighting Back lighting, step lighting, light boxes Board lighting Commercial Lighting Cabinet and under counter lighting industrial Lighting