Wacom PL-1600, PenPartner. Connectivity technology: Wired, Device interface: USB, Aspect ratio: 16:9. Display: LCD, Contrast ratio (typical): 400:1, Response time: 8 ms. Windows operating systems supported: Windows 7 Starter, Windows Vista Home Basic, Windows XP Home, Mac operating systems supported: Mac OS X 10.4 Tiger. Input voltage: 100 - 240 V, Input frequency: 50/60 Hz, Power consumption (typical): 29 W. Tablet weight: 4.3 kg, Pen weight: 12 g