Product colour: Black Power consumption (typical): 9 W AC input frequency: 50/60 Hz AC adapter output current: 1 A Input voltage: 100 - 240 V AC adapter output voltage: 12 V Tablet weight: 1.35 kg Depth: 251.2 mm Height: 11.5 mm Width: 437.8 mm Mac operating systems supported: Mac OS X 10.12 Sierra Windows operating systems supported: Windows 8 Pen holder: Yes Tablet stand: Yes Pixel pitch: 0.213 x 0.213 mm Display resolution: 1920 x 1080 pixels Display: IPS Aspect ratio: 16:9 Viewing angle, horizontal: 178° Viewing angle, vertical: 178° Brightness: 220 cd/m² Diagonal: 39.6 cm (15.6") Contrast ratio (typical): 1000:1 Response time: 25 ms HDMI ports quantity: 1 Pen report rate (points per second): 266 Pen included: Yes Pressure levels: 8192 Wireless pen: Yes Working area: 344.16 x 193.59 mm Connectivity technology: Wired Device interface: USB Resolution: 5080 lpi Number of programmable keys: 6 Maximum reading height: 1 cm