Resistive touchscreen

Red Palm Centro smartphone
A Palm Centro, an example of a smartphone with a resistive touchscreen
Electric blue Nintendo DS game console
The Nintendo DS, an example of a handheld game console with a resistive touchscreen

A resistive touchscreen is a type of touch-sensitive display that works by detecting pressure applied to the screen. It is composed of two flexible sheets coated with a resistive material and separated by an air gap or microdots.