With the rapid development of economy, key products is diminishing, and touch screen is gradually appearing on the stage of retail. However, lot’s of people still unfamiliar with touch screen.

Touch screen also called touch panel, it is a induction type LCD display with receivable prods which can input signal. When we touch the pattern on the screen, the tactile feedback system on the screen can drive various connection devices according to a pre-programmed program, which can be used to replace the mechanical button panel, and use the LCD screen to create dynamic audio and video effects.

Multi-touch screen is the latest form of touch. Multi-touch refers to a technology that allows computer users to control a graphical interface with multiple fingers simultaneously. A multi-touch device is composed of a touchable device (such as a computer monitor, table, wall) or a touch pad, and recognized points by software that simultaneously send touch actions.

As a newest computer input device, touch screen is the simplest, most convenient and natural way of human-computer interaction. It gives multimedia a new look and is a very attractive new multimedia interactive device. No need to learn, everyone will use it. It is the biggest magic of touch screen. No matter it is keyboard or mouse, it can't be compared with it. Touch screens are mainly used for public information inquiry, leadership office, industrial control, military command, video games, song and order, multimedia teaching, real estate pre-sale, etc.