TRANSFORMER: Thanks to the lamp base, you transform an E14 socket bulb into a GU10 socket lamp. Assembly is easy and you benefit from great compatibility for use with many bulbs! EASY OPERATION: Simply screw the adapter to your luminaire with GU10 socket. Then, all you have to do is use the assembly with an E14 type bulb. 4 TIMES MORE: The set includes 4 adapters. Convert several E14 bulbs for maximum light in your home! In addition, the plastic base is durable. COMPATIBILITY: The adaptation is suitable for all bulbs with GU10 fixing such as LED, halogen and energy-saving lamps. LIGHT EVERYWHERE: With these four adapters, turn on your desk lamp, bedside lamp, ceiling light and floor lamp. Enjoy a well-lit home! INSTALLATION: Simply screw the adapter to a GU10 fixture and then use your E14 bulb - and voil. COMPATIBLE WITH: The adapter is suitable for all bulbs with GU10 fixing such as LED, halogen or even energy-saving lamps. External connection: GU10 Internal connection: E14