Key Features: The visual acuity chart designed for use with any kind of screen. 1) All-in-one device, it does not need a computer 2) Suit able for all the monitors 3) Compact 4) Easy to install 5) Complete with all the tests 6) High definition up to 1920x1080 dpi EASY To USE The instruments for eye exams evolve along with technology evolution. Elite, the new compact, practical, flexible，and easy to use eye test card. Ideal for use at hospitals, doctors' offices， eye care centers, opticians'shops， and driving schools. MUlTIFUNCTION Elite，a compact digital visual acuity chart with a high quality standard, which allows carrying out all the tests with a single device 1) Light keys to simplify their usage in the dark 2) Omnidirectional radio frequency remote control 3) Fast and functional remote control， even over long distances 4) Self-powered through an USB port 5) It needs a HDMI port 6) Videos, images and music for the waiting room in the doctor'soffice PLUG AND PLAY Easy to connect, just a few seconds are needed to connect it to the monitor or the TV set to carry out the eye exam. 1) Easy and fast to adjust according to monitor size 2) Distance adjustable from 1 to 7 m 3) Casual sequence of the eye test cards 4)Mirror function 5) Updatable via Web 6) Metric and logarithmic scale