Pi projects radiant LED illumination. It is impossible to improve upon the simplicity of solid geometry. The architectural presence of pi punctuates the less is more idiom of Mies. Pi surface mounts are now available in round and square shapes, and multiples sizes, finishes, and color temperatures. Features: White synthetic round shade Designed to cast light in a downward direction Capable of being dimmed - allowing you to set your desired illumination levels when used with dimmable bulbs ETL Listed for Dry Location Requires (1) 30 watt LED bulb (Included) Lamping Technology: LED - Light Emitting Diode: Highly efficient integrated diodes produce little heat and have an extremely long lifespan. Dimensions: Height: 2" (measured from ceiling to bottom most point of fixture) Width: 16" (measured from furthest point left to furthest point right on fixture) Electrical Specifications: Bulb Included: Yes Bulb Type: LED Number of Bulbs: 1 Watts Per Bulb: 30 Wattage: 30 Voltage: 100v, 277v Compliance: ETL Listed - Indicates whether a product meets standards and compliance guidelines set by Nationally Recognized Testing Laboratory(NRTL). This listing determines what types of rooms or environments a product can be used in safely.