Product description Housing material: plastic Rated voltage: 250V Model: in addition to e27 in e14 Dimensions: Outer diameter: 27 mm; Inner diameter: 14 mm; Height: 45 mm Quantity: 6 pieces 1. Function: Switch between different lamp types (E27-E14). With this adapter, you can use a small E14 bulb in a standard E27 lamp holder. 2. Easy to use: Simply screw the adapter onto your lamp with an E27 socket. Then you just need to use the fixture with an E14 bulb. 3. Light variation: your new lamp base converter Works with all common light sources | LED CFL halogen and energy-saving lamps are easy to use. Our products are also suitable for supporting your smart home system 4. Simple and practical: With this lamp conversion adapter, you can choose more LED lamps that match your lamp or socket instead of replacing your lamps with a new one. 5. Compatibility: The adapter is suitable for all E27 mounting lamps such as LED, halogen, energy-saving lamps and even smart home systems.