4x Socket Adapter - B22 to E27 Socket Adapter - Bayonet Adapter for LED Halogen Bulbs Transformer: With the help of the lamp holder, you can convert E27 socket bulbs to B22 socket bulbs. Installation is easy and you benefit from excellent compatibility with many bulbs! Simple operation: simply screw the adapter onto the light fixture with the B22 socket. Then you just need to use the fixture with the E27 bulb. 4 times more: The set includes 4 adapters. Transform several E27 bulbs into maximum light in your home! In addition, the plastic base is durable. Compatibility: Fits all bulbs with E27 accessories, such as LED, halogen and CFL. Mistakes in selecting bulbs can easily occur. With this accessory, convert a B22 socket to an E27 socket and use the bulb according to your needs. everyday light Use these four adapters to light up your desk lamps, bedside lamps, ceiling lights and floor lamps. Enjoy a bright home! Install Simply screw the adapter into the light with the B22 connector and use your E27 bulb - that's it. compatible This adapter works with all E27 bulbs such as LED, halogen or CFL. Technical data External connection: B22 Internal connector: E27 4x E22 E27 socket adapters