Introducing the 21.5 Inch CMOS Optical Touch Panel by Dopo Touch, designed for seamless interaction and precision with its advanced infrared technology. Certified by CE, FCC, and ROHS, this reliable product is perfect for various applications. Experience effortless connectivity with the included USB cable, compatible with Windows 2000 and XP. Elevate your project with enhanced touch capabilities. Welcome to visit our website for more details!