Touch is the easiest and quickest way of input. People can input the signals by a finger without a keyboard or a mouse.
Before you buy a touch product, there are still four parts you should consider.
Appearance
Size: What is the size you want?
Color: White/Black/Dark gray
Application: What the touch product used for? Desk-top or open-frame, kiosk or integrate?
Active touch area: The size of a touchscreen is not equal to active touch area. Generally, the active touch area is smaller than the touchscreen size.
Touchscreen
Transparency: Do you need 100% transmission of the touchscreen or lower than that?
Hardness: What is the environment of the touchscreen used in? Should it be water proof and anti-vandal.
Accuracy: Do you need precision of signature capture with a quick response?
Material: What kind of material do you need? Glass or others, is it needed to be special heat treatment?
Controller
The controller is a hardware which supplies power to touchscreen. It also adjusts to the touchscreen and the computer.
Interface: USB/Serial
Mounting: built-in, internal/external cards?
Driver
The driver is a software program calculating and sending the touch signal to the computer. Driver should match the system of the computer. Use the links to
download the right driver for you.
System:Think about the system of your computer.
Interface: USB/Serial