Graphics Tablets features: A50 Graphics Drawing Tablet with 8192 Pressure Sensitivity(Battery-Free Passive Pen) Digital Tablet Computer Peripherals Color: we send based on the color or size of the main image of the product page. Quantitywe send based on quantity on title, if there is no quantity in the title, we send based on . Certification : CE Certification : FCC Certification : RoHS Certification : KC Certification : WEEE Origin : CN(Origin) Pressure Levels : 8192 Type : Graphic Tablets Resolution Ratio : 5080lpi Package : Yes Tablet Width : 19.8 Model Number : A50 Type : Digital Tablets Tablet length : 35.5 Interface Type : USB Active area : 10 x 6 inch Report Rate : 250 PPS Reading Height : 10 mm OS Support : Windows XP/Vista 10/8/7, Mac Compliance : CE/FCC/RoHS Pen : Battery-free passive