Transformer HD is a high-performance portable electronic magnifier used for reading printed documents and viewing distance information such as the white board in a classroom. It features a full HD 3-in-1 camera and optional full page text-to-speech (OCR). It offers USB 3.0 to connect to your laptop or desktop computer, built-in Wi-Fi for tablet connectivity and HDMI for direct connection to a monitor. Transformer HD is compatible with popular screen magnification software and is powered from a rechargeable and user-replaceable battery. The optional OCR converts printed documents to text spoken by male or female premium voices.