Flexible Neck Clip On LED Desk Lamp, Sturdy Goosenneck, 5W Energy-Efficient Clamp table light Strong clamp: Clamp size 4.7inch * 2.0inch, with ergoromic design, can be operated easily, to stand on desk, table, music standing, bedside and anywhere can be clip on. Eye protective: Surface lighting source with frosted light guide panel, emitting soft light, flicker-free, anti-glare without ghosting. Cover more area: Standing at 16inch/40cm aboving your table, higher than the normal clip-on lamp, this lamp covers more area. Fully adjustable: Flexible gooseneck and rotatable lamp head, can reach almost every position you need. Energy saving: Only 5 watt, euqal to 40 watt incandescent or 10 watt CFL, nature white light 4000K, suit for reading, studying, working