UM028C is a powerful, portable, hand-held digital magnifier designed for people with low vision. The size of a coffee cup, it connects directly to any TV/monitor with video input in seconds, allowing you to read newspapers, magazines, recipe cards and even medicine labels easily and wirelessly. With USB converter (included), it can also work on computer!! Specs  Compatible with TV & Computer  Viewing modes: Full color, Black and White, Black on White, White on Black  Zoom in/out digitally  Magnification (on 20” monitor): 20x (up to 70x digitally)  Freeze & Unfreeze current image  Wireless tech: 2.4GHz  Four transmitting channels  PAL/NTSC switchable  Easy to recharge (put on and recharge)  Battery electricity indication  Sound indication for mode changing  World compatible adaptor  Light, convenient, ergonomic and easy to use  Size: 110x70mm  Weight: 250g