Adapter: Lamp sockets, ceramic holder: miniature bipin base, G4, G6.35, GY6.35, GX5.3, GZ4, MR11, MR16. Female socket for lamp. 2. Material: Ceramic base, mounting holes, thick and durable silicone wires. 3. Current: 0-2 A. Voltage: 12-250 V. Electric power: 0-100 W. 4. Safety: Mini-spring mechanisms hold the bulb very firmly and securely. 5. Installation: Easy to install, only one step, lifetime service. Plug the pins of the bulbs into sockets without using other tools. Two-pin ceramic socket Wide compatibilityThese two-pin sockets are designed for two-pin base bulbs G4, G6.35, GY6.35, GX5.3, GZ4, MR11 and MR16. They are compatible with LED, CFL and halogen bulbs. Incredible durability: The socket wires are copper wires, coated with silicone. The diameter of the wires is 0.75mm, which ensures the durability of the sockets. Fabulous firmnessCompared to other similar products, It ensures that the bulbs can be held very firmly . Heat resistanceThe ceramic body lamp holder has excellent heat resistance.