Wacom STU540 Signature Pad (STU540) - Display Type: TFT, Native Resolution: 800 x 480 Pixels, Coordinate Resolution: 2540 lpi / 0.01 mm/pt (non-interpolated), Communication Interface: USB/VCP/RS-232, Report Rate: 200 Points Per Second (non-interpolated), Connectivity Security: USB Cable Locking System