Lenovo ThinkVision LT1421 14" Portable USB LED Monitor 14-inch viewable image size Display resolution of 1366 x 768 matching mainstream Notebook resolution Light weight (monitor: 0.84kg/1.8lbs; with Screen Cover: 1.02kg/2.25lbs) Photo frame tilt stand adjustments for viewing comfort (12 degree~40 degree) Brightness adjustment button for 16 level brightness, USB 2.0 connection, USB powered