OttLite brings the eyestrain-reducing power of ClearSun LED technology together with the sanitizing power of Visible Light Disinfection to provide the ultimate healthy light. Simply turn on this Enhance LED Desk Lamp to begin sanitizing your space against potentially harmful bacteria, mold and fungi. Use touch controls to adjust multiple brightness settings. Flexible silicone neck places the light where needed. Plastic lamp adjusts in heights from 11.75" to 21". Built-in USB charging port keeps your devices charged. Desk lamp also features a high-gloss head and base with chrome accents. Base size is 4" x 6.625". Shade measures 2.13" x 6.98".