... delay KingTouch Technology Group Limited (Who including Xiamen KingTouch Technology Co., Ltd) founded in 2003 and located in Shenzhen, ... and Entertainment KTV, Etc.Optical imaging touch screen support windows 7 multi touch, can zoom in or out, ... BInterfaceUSB 2.0(full-speed)Operating SystemsWindows 7,Windows XP,Windows 2000,Vista,Linux,Mac OS Life Time10yearsNoiseNoEnvironmentalTemperatureOperating:-20 ...