SignatureGem LCD 4x3 includes all the high-quality electronic signature capture features of Topaz signature pads with the added feature of an 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: Dual USB / Serial (SecureSig™ System) · Tempered glass with active pen · LCD type: STN, backlit option. Signing area: 240mm x 128mm · Scanning speed and resolution: 377 pps, 410 ppi