VIVA office chair one kit made in USA Tablet:resolution(4000 LPI),Tracking speed(130 PPS),Pen pressure sensitive(2048 levels),mini-USB Active display/drawing area (H x V): 408.24 x 255.15 mm (19" diagonal), 16:10 TFT wide screen. Mac solution. Warranty: 1 Year with The Panda City (Warranty will be voided if the prodcuts are used outside USA) ; Support OS:Windows and Mac (Tested in 10.4x to 10.8x)