The Euro Tool "On the Go Light" is great for the artist on the go! Also great for jewelers with minimal bench / studio space. An invaluable aid for classes, or for working outside or in low light, this runs on either batteries or power supply and weighs less than a pound. 24 LED cool temp lights adjust to two brightness levels. Runs on 4 AAA batteries (not included). Also contains a 43" long AC/USB power supply. Compact size when closed (5x2.8x1.65") extends to 9.5" tall when in use. Durable and long lasting, with a life expectancy of up to 100,000 hours.