Maxim Lighting's Energy Star Certified Rim EE Collection uses energy saving T9 Circline bulbs with features including electronic ballasts, 3100 K color temperature, rated life of 10,000 hours, acrylic lens and the availability in the 3 finishes Oil Rubbed Bronze, Satin Nickel and White. Satin Nickel Finish Made of Steel Shade made of Acrylic White Glass Shade 1 1 32 40W 4-Pin T9 Circline Fluorescent Bulb s Bulb s Included Color Temp 3100 Rated Life 15000 18000 Meets California Title 24 Requirements Lumens 4750 Ballast Part of the Rim EE Collection Other/Builder/Commodity Design/Style Dry Safety Rated 2 Year WarrantyOverall Dimensions 21 W x 3 H Item Weight 3.8 lbs. Please note that this product is designed for use in the United States only 110 volt wiring , and may not work properly outside of the United States.