TROND LED Desk Lamp Dimmable Eye-Caring (9W, 3 Color Temperatures, 7 Brightness Levels, Touch Control, Memory Function, Flicker-Free) Eye-Protective & Eco-Friendly. Latest surface lighting source and innovative light guide panel help to create a flicker-free, anti-glare light without ghosting. Unlike incandescent or florescent lights, it doesnt contain mercury or other environmentally harmful substance. Aluminum Construction & Fully Adjustable. The ultra-slim lamp arm & head is made of quality aluminum alloy, which makes the lamp durable and good-looking. Besides the rotating arm and head (180 degree), TROND Halo 9W is also designed with a swiveling head (160 degree) for you to direct the light where you want it. 3 Distinctive Lighting Modes. As a major upgrade from the previous version, TROND Halo 9W is now offering you 3 types of light temperature so as to cater to your various lighting moods  working / reading / relaxing. Simply long press the on/off switch on the far left of the control groove to rotate different lighting modes. 7-Level Dimmer & Touch-Controllable. Simply slide your finger along the controller groove in the lamp base, and you can easily adjust the light intensity up to 7 levels. Also it can intelligently remember the brightness/temperature setting from your last use What You Get: TROND Halo 9W Aluminum LED Desk Lamp, 6ft UL-certified detachable power Adapter, Welcome Guide, 18-MONTH TROND warranty & 30-DAY money back guarantee.