1. Description: E27 vintage, antique and industrial socket, compatible with E27 medium base bulbs, especially vintage Edison bulbs, suitable for decorative pendant lighting projects. (Package: Pearl black 4) 2. Application: 1) Most commonly used with e27 vintage Edison bulbs and for retro lighting. Create an antique and classic atmosphere to modern life. 2) Addable lampshade. Added different lampshades and adjusted wire length could bring various decorative effects. 4. Installation: 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. Why choose E27 vintage socket? Adjustable lampshade: Add different styles of lampshades to create different atmospheres. 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 Specification: Type: E27 vintage and industrial socket Voltage: 0 ~ 250V Material: Aluminum, ceramic Note: Aluminum cover and ceramic lamp holder. Antique and industrial appearance: They are compatible with medium base bulbs E27, especially vintage Edison bulbs, suitable for DIY decorative lighting projects. Wide application: Create an antique and classic atmosphere to modern life. Perfect for bar, living room, kitchen, loft, dining room, office, bedroom, etc. 1.Due to the light and screen difference, the item's color may be slightly different from the pictures. 2.Please allow 0.5-2cm differences due to manual measurement