The Patterson Satin Steel LED Desk Lamp is a simple and compact metal task light with an adjustable gooseneck arm and an LED head. The LED bulbs do not need changing and last up to 30,000 hours - or 25 years if used for three hours per day, seven days per week. The shade is a steel cylinder with a convex glass magnifier bulb shield and it is operated via a rubber push button switch on the base. This modern desk lamp has a black fabric cord cover and it is also available in matte black and as a floor lamp. CRI: 75; Color Temp: 4000K; 250 Lumens.