3.5 Inch 4 wire Resistive Touch Screen Panel for Home Automation, Intercom System as below:

• Low cost solution, Low power consumption
• Consistently accurate, fast touch response
• Pressure sensitive, works with any stylus, Finger, gloved hand and stylus activation
• Not affected by dirt, dust, water, or light
• Affordable touch screen technology
• Antiglare surface treatment

4 wire restistive touch screen technology:     

Ckingway 4-Wire Resistive products are perfect for industry machine GPS System or portable products where compact size and low power draw is a priority – such as PDAs, GPSs, smart phones and other hand-held applications. Our pressure sensing 4-wire resistive touch screens are cost effective and allow for input versatility with bare or gloved fingers and any pointing device.

Backed by a one-year warranty and 5 million touches in a single location, Touch International’s 4-Wire resistive touch screens allow for ease of integration and use.