| 
      
        |  | Four-WireResistive
 | Five-Wire Resistive | Pen Touch | Capacitive | Surface Wave(Saw) | Infrared Touch (Ir) |  
        | PRODUCT SIZE | 1.7" - 24" | 10.4" - 24" | 15" - 19" | 12" - 24" | 10.4" - 30" | 10.4" - 42" |  
        | TOUCH LIFE | 1 - 2 million touches
 | 30 - 35million touches
 | 100 million touches
 | 100 million touches
 | 50 million touches
 | Long-term reliability |  
        | SCRATCH RESISTANCE | Hard Coated | Hard Coated | Hard Coated (SiO²)
 | Hard Coated (SiO²)
 | Glass Overlay Moh's hardness rating of 7
 | Glass Overlay Moh's hardness rating of 7
 |  
        | CONTAMINANT RESISTANCE | Resists moisture, dirt, vinegar, ammonia based food products and cleansers | Resists moisture, dirt, vinegar, ammonia based food products and cleansers | Resists moisture, dirt, vinegar, ammonia based food products and cleansers | Resists moisture, dirt, vinegar, ammonia based food products and cleansers | Resists moisture, dirt, vinegar, ammonia based food products and cleansers | Resists moisture, dirt, vinegar, ammonia based food products and cleansers |  
        | INPUT METHOD | Finger, Gloved Hand, Stylus | Finger, Gloved Hand, Stylus | Stylus Pen | Finger | Finger, Gloved Hand, Soft pliable stylus | Finger, Gloved Hand, Stylus |  
        | CONTROLLER | USB, RS232 | USB, RS232 | USB, RS232 | USB, RS232 | USB, RS232 | USB, RS232 |  |