40 inch Large Touch Screens

 
Sharp PN-L401C AQUOS 40 Inch Interactive Touch Screen Display System  
40" Sharp PN-L401C AQUOS  
   
   
Optir Large Infrared Touch Screen by Magic Touch Keytec Inc. Optir Large Infrared Touch Screen by Magic Touch Keytec Inc.
40" Generic Touch Overlay Only 43" Generic Touch Overlay Only
   
   
   
Professional vs Consumer Brand