1. Resistive touch
Normallly comes in 5 – wire and fitted inside the display and used for small display sizes application is kiosk, industrial automation and small interactive displays and is lowest in technology.
2. SAW touch screen
SAW stands for surface acoustic Wave comes in 4mm and 6mm very sensitive comes in the size of 15.6 to 21,5 inch this touch screen is overlayed on the screen comes with calibration software
3. IR touch screen
Stands for Infr a Red the size ranges from 32 inch to biggest size of display
4. PIT touch screen
stands for Projected Infrared technology is latest in Infrared technology sizes support same from 32 inch onwards