Searchlight 2300-3 Duo I, 3 Light Disc Ceiling Pendant

You can adjust it at the point of installation but it is only minimal as otherwise the shades may not align. Dimensions Total Height (mm) Total Height with Chain 1200 Width/Diameter (mm) 260 Length (mm) Projection (mm) Shade Shade Type Double Glass Shade Finish Outer Clear,inner Frosted Shade Dimensions (mm) H: Out:200,Inn:140 W: Out:100,Inn:60 Yes you can dim this fitting, as long as you purchase dimmable bulbs and the bulbs are compatible with your dimmer switch.