Enjoy a healthier way to see with the OttLite® ClearSun® LED – an exclusive technology that helps to dramatically reduce eyestrain and glare by up to 51%. Includes 5V, 2.1A USB port. Features three brightness settings and three adjustable knobs, rounded diffuser, and touch activated control. 6-1/2"H - 15-1/2"H. 6-1/4" x 6-1/4". 400 lumens. OttLite ClearSun® LED. White.