Specifications Technology Battery-Free Electromagnetic Resonance Active Area 279.4 x 174.6 mm (11 x 6.875 in) Resolution 5080 LPI Report Rate 266PPS Pen Pressure 8192Levels Reading Height 10MM Supply Voltage 12V Power Consumption 0.4W Interface Support Micro USB OS Support Windows 7 or later, macOS 10.12 or later Dimensions/piece 390 x 223 x 11mm Net Weight/ piece 880g Express Keys 8 Customized Press Keys