. Ideal for any signing environment the Wacom STU-430 signature pad is a versatile full-featured monochrome signature pad with a new thin design and a low-profile surface. The 4.5’’ LCD screen is large enough to capture longer signatures as well as to accommodate soft buttons in addition to the signature area.Moreover the screen is easily readable in varying light conditions. State-of-the-art encryption and a unique hardware ID ensure a secure signing experience. Efficient Accuracy Cordless battery-free pen with 1024 pressure sensitivity levels ensures biometrically accurate signature capture. Secure Transactions Transaction security with state-of-the-art AES/RSA encryption Unique Identity Unique hardware ID enables identification of the exact device used for signing.