Adjustable cord : The Black Ceiling Light Fixtures with 3.28Ft Long Cord ,Which can be adjusted according to your need ,You can hang all the shades at the same height for a uniformed look.Or you can adjust the individual light to any length to create a staggered look. Installation: The Black Pendant light is Hard-wired, the Hanging Lights Had been assembly completely,Only need to fix the ceiling plate and connect the wires, which is easy installation. Bulb requirments : Black Hanging Pendant Light Bulb Base: E27, Bulb Type: LED, CFL, Halogen or Incandescence (bulb included), Max Wattage: 60W.Max Voltage: 110-240V. Application : Perfect for your Kitchen, Dining room, Bedroom, Bar, Corridor or Office and Etc. Customer service : 3 Year Warranty,If you have any other problem about the item, please Contact us. we must reply you within 24 hours; Please do not worry, we are always here responsible to help you resolve the concerned issue.