TROND Halo 9W-C Dimmable Daylight LED Clamp Light Desk Lamp w/Extra Long Aluminum Gooseneck & Premium Diffusion Film, for Headboard, Workbench, Studio, Drafting Table, Bedside Reading, Black Eye Protection Desk Lamp. Latest surface lighting source and innovative light guide panel help to create a flicker-free, anti-glare daylight light without ghosting with the color temperature of 5800K ~ 6000K. Unlike incandescent or florescent lights, it doesnt contain mercury or other environmentally harmful substances. Clamp Light with Extra-Long Gooseneck. Strong Aluminum clamp opens up to 1.65 width (optimal 0.6-1.38 width) and can be used perfectly with music stands, pianos, office tables, computer desks and headboards. Durable gooseneck design with the length of 50cm/19.7, allows you to adjust your lamp with ease and to direct the light wherever you want. 3-Level Touchable Dimmer. By touching the power icon on top of the lamp head, you can turn on/off the lamp and adjust three different levels of brightness to cater to your various lighting needs. Theres not physical power button; everything you need to do with this lamp is to touch the power icon. Enhanced Brightness. With premium diffusion film invented by SKC Haas from South Korea, weve increased the lamp brightness by 50%. Meanwhile, diffusion films will also increase the angle of visibility by efficiently channeling the light, which leads to a larger lighting area. What You Get: TROND Halo 9W-C LED Clamp Lamp, 6ft UL-certified detachable power Adapter, Welcome Guide, 18-MONTH TROND warranty & 30-DAY money back guarantee. Material: Premium ABS plastic &amp; Aluminum Alloy Power Consumption: 9W (max) CRI Ra: over 82 Total Flux: 1000 lumen Color Temperature: 5800K ~ 6000K (daylight) Illumination: &gt;600lux@30cm (dim), &gt;1200lux@30cm (bright), &gt;1800lux@30cm (brightest) Lamp Head Size: 3.35&#034; x 5.31&#034; Gooseneck Length: 19.7&#034; (fully-extended) Clamp Width: 1.65&#034; (max.), 0.6&#034; - 1.38&#034; (optimal) Operating Temperature: -10 ~ 50 Weight: 0.9 lb. / 410 g (w/o the power adapter)