TRANSFORMER: Thanks to the lamp base, you easily transform E27 socket bulbs into E40 sockets. Assembly is easy and you benefit from great compatibility for use with many lamps! EASY OPERATION: Simply screw the adapter to your luminaire with E27 socket. Then, all you have to do is use the assembly with an E40 type bulb. 4 TIMES MORE: The set includes 4 adapters. Convert multiple E27 thread bulbs for maximum light in your home! For maximum lighting at home! COMPATIBILITY: The adaptation is suitable for all E40 bulbs such as LED, halogen or energy-saving lamps. OUR RANGE : Our offer includes many other electronic devices including bulb adapters of different types. A mistake in choosing a bulb can easily happen. With this accessory, convert an E27 socket into an E40 socket and use the bulb as you wish. LIGHT EVERYWHEREWith these four adapters, turn on your desk lamp, bedside lamp, ceiling light and floor lamp . Enjoy a well-lit home! INSTALLATIONSimply screw the adapter to an E27 threaded lamp and then use your E40 bulb - and voil. COMPATIBLE WITHThe adapter fits for all bulbs with E40 fixing such as LED, halogen or energy saving lamps. TECHNICAL DATA External connection: E27 Internal connection: E40 INCLUDED 4x E27 to E40 socket adapter