HUION Portable Graphics Signature Pad Supported By 4000lpi,200rps with Digital Wireless Capture Pen Wonderful for Electronic Signature,annotation Etc. 4 x 2.23 Inches Pressure Sensitive Work Area Compatible with Windows & Mac Resolution (LPI) 4000. Report rate (RPS) 200 2048 levels of pen pressure sensitivity for precise pressure control Contains usb cable, wireless pen(requires a AAA cell, not included), cd, 4 Pen Refills, manual