Multi-touch function defines diverse of hand gestures to input your commands, which equals to a mouse. With one finger touch or dragging on screen surface can accomplish click, dragging or draw-line. Two fingers moving together on screen can zoom in/out. The gesture one finger anchored and the other moving around can lead to a 3D rotating. Multi-touch touchscreen has all the advantages of traditional single-touch touchscreen: reliable, stable, super sensitive and drift-free, and can support Windows 7 operating system.