This multipurpose video magnifier attaches to an LCD screen. It can magnify objects for near vision, and can magnify images at a distance. This is ideal for classroom activities to see the blackboard, then read and write notes. It also comes in a portable travel bag. You can also use this to put make up on. There is a large magnification range and you can also change the display mode to what suits your vision. It also has the function for left or right handedness.