The 13w DuoFlex Magnifier Lamp couples the benefits of OttLite Illumination with optical grade 3x magnification in this sleek and flexible design. Two flexible arms extend from a sturdy base so you can individually and easily position the light and magnifier exactly where you need them. OttLite allows you to see details clearly and colors accurately, helping you do what you love, longer. Details: White9" x 7.125" base size Height adjusts from 11.5" to 19.5" 5" magnifier with up to 2x optical grade magnifier (with 5x spot) Flexible neck and rotating shade easily direct light where you need it Sturdy weighted base Bulb included. Rated to last up to 10,000 hours (Replacement bulb type E)