This E27 to E40 adapter is practical for users seeking to upgrade their lighting systems without extensive modifications. It addresses the need for compatibility between different bulb bases, offering a choice to enhance lighting options. Its reliable design ensures safety and functionality, making it an essential tool for lighting. Features -Color:White -Material:Plastic+metal -Size:8.00X4.60X4.60cm/3.14X1.81X1.81in -Effortless adaptation: seamlessly convert your e27 bulb base to an e40 base, making it convenient to use various bulbs - : made from durable materials, this adapter ensures and reliable performance -Broad applicability: ideal for diverse environments such as homes, offices, and commercial spaces, fulfilling different lighting needs -Chic design: features a simple yet chic design that integrates well with various lighting fixtures -Safety assurance: includes overload and short circuit protection to provide user experience Package list: 2pcs x lamp head converter