The ProLite T1531SAW-B5 uses highly accurate Surface Acoustic Wave Touch Technology (SAW) with a pure-glass scratch resistive front, offering superior image clarity and screen durability. The screen can be touched with a soft stylus, finger or gloved hand making it suitable for a number of applications, and the solid but flexible stand ensures resilience in the most demanding environments. Menu buttons are located on the side of the screen which can be locked to prevent tampering, and include a handy function to deactivate the touchscreen for cleaning.