Ultra Thin, - only ½" thick. (14mm) New technology provides extremely even, bright illumination. 5"x 7" viewing surface for viewing slides, negatives, and transparencies. Has one 5400K color corrected lamp with 20,000 hour life. The unit can be used flat on a table, standing at an incline, or hung flat on a wall. The Light Pad has also been designed to display photo transparencies held under a clear plastic panel. Fits easily in a briefcase or stores in a desk drawer. Powered by a 12V AC to DC adapter. Overall size is 9 1/2" x 6 1/4" x 1/2". Weight 1 lb.