Lithonia Lighting LTFSTCYL MR16GU10 LED 27K 3H BN M4 3-Light Fixed-Track Lighting Kit, Brushed Nickel LED bulbs provide 300 lumens per head for a total of 900 lumens Steel construction in Brushed Nickel 3 adjustable heads allow you to aim light where necessary Includes 3 dimmable LED Mr16 GU10 bulbs LED bulbs provide 25,000 hours of maintenance free use