QTD-101 is a simple to use 21 inch touch screen display designed for graphic use. With a stand easy to adjust and an interface easy to use, it delivers a smoother graphic drawing experience. Even a non-professional graphic user can use it easy. Adjusting screen angle is one of the most frequently used functions in using such a display device. QTD-101’s stand design allows users to adjust it easy by simply pressing on a button at the back of the screen. On both sides of the main body are six hotkeys, which can be configured by users according to their needs. It can easily be operated by either a right-handed or left-handed user.