Crazy Genie Portable Clamp on Eye-Care LED Desk/Table Lamp(7W, Flexible Gooseneck, 3-Level Dimmer, Touch-Sensitive Control Panel, Clip On Book Light) 3-Level Brightness: 3-level brightness,touch-Sensitive Control Panel,meet your needs in different light environments. Led Lighting Source: Reflective LED lighting source provides Natural, non-flickering light for stress-free productivity and enjoyment. Multi-Use Clip - Adjustable clip up to 2.5 inch ,Great for Music Stands, Pianos, Bedside, Reading, Work Tables, Mixing Tables, Computer Desks, Craft Tables and Much More.Extra Strong Clip Grips Almost Anything or Use it Free Standing. Flexible Gooseneck: 360 metal house,half of the neck is solid but the top half is flexible ,minimalistic design with adjustable gooseneck to optimize your lighting source. Eye-Care: No flickering, no dark area, and no ghosting to protect your vision and reduce eye fatigue.