Firefly Semi Flush is available in Polished Chrome with Brilliant Crystals. Ten 10 watt, 12 volt JC/G4 halogen bipin lamps and magnetic transformer are included. Dimmable with tested and approved Lutron Skylark SLV-300 low voltage magnetic dimmer. 18 inch width x 18 inch height. Canopy is 4.5 inches wide.