1. Description: Vintage, antique and industrial E27 socket, compatible with E27 medium base bulbs, especially vintage Edison bulbs, suitable for decorative pendant lighting projects. (Pack: Pearl black × 4) 2. Features: [Robust]: Bulbs could be held firmly; [Heat Resistant]: High up to 600°C; Maximum power is 600W; [Material]: Aluminum cover and ceramic lamp holder. 3. Application: 1) Used most often with e27 vintage Edison bulbs and for retro lighting. Create an antique and classic atmosphere to modern life. 2) Addable lampshade. Different added shades and adjusted wire length could bring various decorative effects. 4. Facility: Easy to install. Connect the wires correctly to the positive/negative pole, then assemble all the parts. An installation instruction is attached for your reference. Expandable lampshade: Add different style lampshades to create different moods. In addition, the height of the bulbs can be chosen by adjusting the length of the wire. High quality vintage socket: Components: 1. Two caps 2. Tube 3. Nut 4. Ceramic lamp holder with aluminum outer cover Specification: Type: E27 vintage and industrial socket Size: 5*5*8.9cm Voltage: 0~250V Power: Max 600W Thermal resistance: Max 600°C Material: Aluminum, ceramic Certification: CE, RoHS Note: Connect the wires correctly to the positive/negative pole, then assemble all the parts together. Turn off the power before installing. 'use. Wire diameter is less than 0.5mm lucky meet Note: The data is all manually measured, please allow 1-3 error cm, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.