Topaz SignatureGem Backlit LCD 4X3The Topaz SignatureGem LCD 4x3 is Topazs medium sized, rugged, advanced electronic signature pad with transflective LCD that displays electronic ink under the pen tip during signing. Bundled secure software APIs provide for interactive text, graphics, and pen tap hotspots and checkboxes which enable users to navigate screens and select preferred options. The SignatureGem LCD 4x3 shows the signature on the signature pad, as well as the computer screen.