Touch International's Tl-4 Touch is our film on glass 4-wire analog resistive touch screen that provides full functionality in a low-profite sensor. Tl-4 is perfect for mobile or portable products where compact size and low power draw is a priority- such as PDAs, global positioning systems, smart phones, and other handheld applications Tl-4 Touch can be used with finger, gloved hand, or pen-Input and features excellent positioning accuracy.