DescriptionTRANSFORMER: Thanks to the lamp base, you can easily convert light bulbs with E27 sockets to E40 sockets. Installation is simple and you get great compatibility for use with many lamps.EASY TO USE: Simply screw the adapter onto your fixture with an E27 socket. Then you just need to use the fixture with an E40 bulb.4 TIMES MORE: The set includes 4 adapters. Convert multiple light bulbs to E27 thread for maximum light in your homeFor maximum lighting at homeCOMPATIBILITY: The adapter is suitable for all light bulbs with E40 sockets such as LED, halogen or energy-saving lamps.INSTALLATIONSimply screw the adapter onto an E27 threaded lamp and then use your E40 lamp - and voila.COMPATIBLE WITHThe adapter is suitable for all light bulbs with E40 sockets such as LED, halogen or energy-saving lamps.TECHNICAL DATASocket: E27Inner connection: E40INCLUDED IN DELIVERY4x socket adapter E27 to E40