OxyLED Architect Swing Arm Desk Lamp, Eye Care Drafting Task Lamp, Metal Dimmable LED Table Lamp with Adjustable Clamp Touch Control Memory Function For Home Office Studio, 4000K Warm White Eye-Protection Technology -- The 4000K warm white color is more suitable for longtime reading. Patented LED chip gives off a steady, glare free, no-flickering, soft and more natural light source that is friendly for your eyes Easy On/Off and Brightness Adjustment -- One-button operation. A quick tap will turn it on and a slower tap will adjust the brightness. It also remembers the brightness setting from the last time you used it Adjustable Arm For Excellent Light Coverage -- Adjustable in multiple directions at the base (up/down, swivel), elbow (up/down), and neck (up/down, swivel). Easy to position the light exactly where it's needed Extremely Stable -- Its sturdy at the joints and the clamp clips securely to your table/desk. Also, the clamp design takes up very little space and save your desktop s Energy-Saving and Eco-friendly Lighting -- Ultra-low voltage input and lighting temperature for absolute safety. Maintains over 50,000 hours of full lumen output while delivering phenomenal power-saving performance