This Koncept AR3000 Z-Bar black desk lamp is a 4500K cool white LED lamp with a 9" tip-resistant base and a 42-LED, 9.5 watt bulb (included). It has a slender aluminum housing for light weight and resistance to corrosion and a built-in touch strip dimmer with multiple dimming levels for adjusting light intensity. The 16.5" lamp head swings and rotates, and the 15.13" top arm and 16.42" lower arm rotate and pivot for positioning the light in a variety of ways. It has a 10" cord with plug and a transformer for resistance to unstable voltage and is rated for 50,000 hours. This desk lamp is suitable for dry locations such as homework areas, computer workstations, or indoor desks or tables.SpecificationsLamp type42 LEDsPower consumption9.5WHours50,000Brightness165 fc at 15" Color temperature4,500 K (Kelvin) Color Rendering Index (CRI)85Transformer 100–240V, 50/60 Hz, UL/CUL listed Koncept manufactures LED lighting fixtures for home and office. The company, founded in 2002, is headquartered in Monrovia, CA.