Staircase chandelier size: Up to 78 inches/200 centimeters of suspension wire, with adjustable length that can be shortened to the ceiling. Pendant base diameter: 15.7 inches/40cm, glass ball diameter: 6 inches/15cm. Applicable area: 10-15 square meters The pendant lamp does not support dimming, and the fixed color temperature of the light source is 4000K. Material: Round stainless steel lampholder, polished through multiple processes, thick and durable, with antioxidant and rust resistant functions. Spherical glass lampshade, using LED copper wire light source, is very energy-saving and has soft light. Easy to install: The hanging lamp wires are pre wired and pre threaded for easy installation.