【The description】Vintage, antique and industrial E27 lampholder, compatible with E27 medium base bulbs, especially vintage Edison bulbs, suitable for decorative pendant lighting projects. 【Information】: CE and RoHS certified; High heat resistance up to 180°C; Maximum voltage: 250V; Electric current: 4A; [Material]: Bakelite (plastic). 【Facility】Easy to install. Correctly connect the wires to the positive/negative pole, then assemble all the parts. Please refer to 3 images. 【Application】: Used most often with vintage e27 Edison bulbs and for retro lighting. Bring an antique and classic atmosphere to modern life.