... net to orientation. No radiation, no need special pen, easy use and safety.Frame: aluminum, durable (8years ... Free design,free write with different colors, different pen width, different pen styles. With spotlight, camera, amplify glass, mask ... , no radiation, anti-glare, durable, support marker pen write and erase Size(Inch)120Induction WayInfraredWriting ToolPointer, finger Resolution4096*4096Cursor ...