Enjoy a healthier way to see with the ClearSun LED, an exclusive technology that helps to dramatically reduce eyestrain and glare by up to 51%. It provides smooth, uniform light with Color Rendering Index (CRI) of 95. This lamp features an LCD display with date, time, ambient temperature and an alarm with battery backup to save settings in the event of power interruption. It includes a 5V, 2.1A USB port that fully charges tablets, phones and more.Details:BrownExtends from 7.5" to 14.75"Maximum of 400 lumens6 brightness settingsLED lightingReduces eyestrain up to 51%Includes an alarm with battery backupFeatures USB charging port