PK LED Interactive Board: - Pro Space Series LED 55”, 65”, 70”, 84” provided - Optical sensor 4 point~10 point(option) - Supported by window OX, XP, Vista Win7 and Linu, Mac OSX - Operated as PNP and activated by usb port without any extra driver like mouse interface. - Provided Eco-LED back light Unit(BLU) Panel