100 Watt surface transformer mounts to a standard 4" 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" 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.