Holtkoetter 9603LED PBBB Two-Tone LED Table Lamp with Two Independent Dimmers, 19" x 14.5" x 11.75", Polished Brass/Brushed Brass Hand-finished brass construction Range of color temperatures to choose from - 3000K (warm white/normal tasks) to 6000K (cool white/high-detail tasks) Separate dimmers control each color temperature Maximum swing-arm extension of 22 inches Heavy, weighted base for stability