Safe and durable: The bronze cable is made of braided wires, and the internal insulation material of the black and white cables is PVC. It is CE certified and has good flame retardancy, heat resistance, corrosion resistance and safety. Ceiling rosette: Industrial pendant light ceiling plate diameter is 9.8cm, l thickness of the ceiling plate is 1.8 cm and the distance between the two holes of the mounting plate is 6 cm. Adjustable length: Chandeliers ceiling lamp suspension cable length is 1 m with an upgrade cable the earth and the diameter of the lamp holder is 4 cm. Tighten the top of the ceiling shell, tuck excess wires into the ceiling shell, and adjust the length as needed. Lamp Type: Pendant light bulb supports all E27 spiral lamps. Such as old-fashioned bulbs, LEDs, incandescent lamps, corn bulbs, halogen lamps and energy-saving lamps. Maximum power: 60W, voltage: 220-240V. (This product does not contain bulbs). DIY decoration: Industrial pendant lamp DIY decoration can be made according to your existing lampshade and is very suitable well in the living room, hall, kitchen and bar.