The Interlink ePad-ink Electronic Signature Capture Pad is a signature pad designed for use with Windows and Linux platforms. With a compact size of 1.61 inches in height and 5.94 inches in length and width, this wired connective device features a USB interface for easy connectivity. The ePad-ink model by Interlink Electronics captures electronic signatures efficiently, making it a reliable tool for various applications requiring digital signatures. Please note that this product carries a California Prop 65 warning due to its materials.