SignatureGem LCD 4x5 includes all the high-quality electronic signature capture features of Topaz signature pads with the added feature of a backlit LCD interactive display, allowing users to see "electronic ink" under the pen tip as they sign as well as navigate and display text and graphics. The large signing area and rugged tempered glass signing surface make this a versatile pad for the most demanding applications. All Topaz products come bundled with our powerful software tools and support for the capture, binding, and authentication of electronic signatures. Key Features · Interface: USB (SecureSig™ System) · Tempered glass with active pen · LCD type: STN backlit. Signing area: 117mm x 86mm · Display resolution: 320x240 px · Scanning speed and resolution: 377 pps, 410 ppi