TechnologyElectromagnetic Digitizer Active Area4 x 2.23" Resolution4000 LPI(Line Per Inch) Report Rate200RPS Pen Pressure2048 Levels Reading Height0.6" Supply VoltageDC5V Power Consumption0.35W OS Supportor aboveWindows8/Windows 7/Vista/XP/Mac OS 10.4 Interface SupportUSB USB Cable Length1.5M ComplianceCE/FCC/CCC Package Contents:A. Huion 420 Tablet B. Wireless Pen(with 2 programmable buttons, 1 AAA battery needed) C. User Manual Wireless Pen input makes a huge difference Thanks to Huion H420"s ergonomic pen and textured work surface, you"ll enjoy the freedom and familiar feel of pen on paper. It"s time to drop the mouse and trackball and go with pen input for creativity"s sake. Annotate for Word Allowing handwritings, annotations with the Tablet Pen on Microsoft Word. Apart from graphic applications, Huion Signature Pad H420 is also widely used in Microsoft Word for annotation, which is indeed useful for office workers. easy and convenient Huion Signature Pad 420 is a professional graphic designing tool that simply packs everything needed. You can edit photos professionally wherever you want as its easy and convenient to bring along.