100 Watt surface transformer mounts to a standard 4 inch square junction box with round plaster ring (provided by electrician). Turnbuckles and anchors can be mounted to the walls or ceiling. When ceiling mounting kit, cables will drop 2 inch below ceiling. Includes five highly adjustable Accent heads (20 Watts max each) that tilt between the cables and rotate 120° within their rings. The kit may be dimmed with a standard incandescent dimmer.