Topaz SignatureGem T-S751-HSB-R 4x5 HID USBThe SignatureGem 4x5 models are durable, large sized electronic signature pads. The signing area is large enough to accommodate paper forms or receipts for clients while you maintain a paperless electronic copy. With the large, rugged signing surface, these models show the signature on the computer screen. The digitizing pen features interchangeable inking and stylus tips, and the pad is powered only by the computer's data port. Product# T S751 B R