SuwaSWE SuwaSWE-BL01 Desk Lamp Eye Care LED Book Light Double Interfaces 5W, Flexible Rubberized Coating Gooseneck, Flicker-Free, 3-Level Dimmer, Touch-Sensitive Control Panel, Matte Black You can read under different 3-level brightness by touch-sensitive control panel on back LED lighting source: max 250lm, reflective led lighting source provides natural 5000-6000k, non-flickering no ghosting & anti-glare high cri80 Multi-use clip adjustable clip up to 2.16 inch, with 16.14 inch gooseneck, great for music stands, pianos Eye-care: soft and homogeneous reading environment Energy-saving: as brightness as good quality 10w cfl lamp or 33.75W incandescent lamp as it work by full power