The OttLite 13-watt Folding Task Lamp features a unique fold-up design with a handle for easy portability of the low heat, low glare illumination so you can see details clearly and colors accurately wherever you are. The folding shade design features automatic on/off operation and with its small base footprint, this lamp fits easily on desks and workstations so you can do what you love, longer.Details:Black3.75" x 4.5" base sizeHeight adjusts from 11.25" to 17.5"Multi-position shade adjusts light easilyLamp powers on or off when shade is opened or closedHandle for easy transportBulb included (rated to last up to 10,000 hours - replacement bulb type E)