[Universal E27 Socket Holder]: The bulb holder with cable is suitable for various E27 threaded bulbs such as Edison lamps, LED lamps, etc. The maximum power of the lamp holder is 100W, and the operating voltage range is: 220-240V. A solid disc that keeps the bulb stable and does not fall off during use. Adjustable hanging wire design: The total length of the ceiling light pendant is 100cm, the length of the adjustable hanging wire is 90cm, and the diameter of the ceiling is 9.6cm. If you think the 100cm chandelier is too long, simply loosen the cable gland at the top and slide the cable into the ceiling to cut it to the desired length. The ceiling cover can hide the excess rope, which is practical and beautiful. [High Temperature Resistance]: E27 lamp holder is made of high quality metal iron and PVC plastic, with flame retardant and heat insulation properties, good insulation, safe to use, and high temperature resistance, which is not easy to be damaged. [Strong conductivity]: The conductive wire is made of 0.75 square two core pure copper round wire, wire length is 90cm. The maximum power used is 100W, and the voltage range is 220-240V. The pure copper wire has strong electrical conductivity, good fire resistance, heat resistance, corrosion resistance, safety and is not easy to short circuit. [Ideal choice for retro style design]: The simple hanging wire design can perfectly show the bulb light. The whole chandelier lamp holder is black, and the black metal hanging bracket has a simple retro industrial style that suits any environment. Such as dining room, bedroom, kitchen, loft, cafe, library, dining room, living room, studio, bar, office, etc.