The Readit Air is a portable CCTV. This item is just under1.1 pounds and can be used by those those with differing computer skill levels. The Readit Air is used by placing a document or text underneath the camera and pressing enter. This allows the camera to capture the text and magnify it on the screen which attaches to the Readit via USB. The OCR capability allows the computer to process the words in a few seconds in the chosen text size, color and format desired. Individuals who are visually impaired or blind may use this device to accomplish essential job functions.