BYB E433 Pro Architect Swing Arm LED Desk Lamp with Metal Clamp (13w, 4000k Natural White, Giant Eye-caring, Stepless Brightness Dimmable Touch Control, All-metal, Black) Professional Architect Swing Adjustable Arm Desk Lamp, with Metal Clamp Allow Light Cover Large Lable, Applied to Any Place Widely and Freely Touch-control - 13 watt - Stepless Variable Levels Brightness, Equipped with 120 World-class LED Chips, Made of High Quality Aluminum 4000 Kelvin Natural Daylight White, Eye-Care, Zero-radiation, No Dark Areas, No Ghosting, No Glaring. Perfect for Office, Home Office, Art Workshop, Showrooms, Bookstores, Reading, etc. Ultra-low voltage (12v) input and lighting temperature for absolute safety It's Not Just a Unique Desk Accessory, But Also Save Money and Lower Your Power Bills with the Cost Effective, Energy Saving LED Technology