ClipGem is a letter- or legal-sized electronic signature capture clipboard for use wherever one party desires a paper copy or receipt in addition to an electronic copy. Thin and lightweight, ClipGem signature pad is a great choice for use in the field as it is powered only by your computer's data port. Part Details: Topaz ClipGem T-C912-B-R Signature Pad - Active Pen - 8.50'' x 10'' Active Area - Serial