1)Resistive IR SAW or Capacitive touch solution with either USB or serial interface 2)Our products face for international market 3)products can be designed according to your requirement. 4)pursue provide you best product at best price and best service. 5)Flexible service policy product description: Name:WN-RE-OP19 open frame shell:robust bracket color:multi-color optional touch screen:19"SAW touch screen touch signal input:USB or RS232 Touch Sensibility: >3mm Touch Intensity:over 60,000,000 touch Screen ratio: 4:3 Frenquency:55Hz-75Hz The maximum contrast ratio 1000:1 Brightness: 550cd/m2 Response time< 5m Viewing Angle: (H) 170 ° (V) 165 ° Best Resolution: 1024*768 signal input:DVI,VGA Power consumption: 25W Power Supply: Input AC110 240V/50 60Hz; Output DC12V/4A Operating system: Windows NT,XP,2000,98,Linux Application Area Interactive kiosk, Interactive digital signage,Game machine Industrial enclosure,Cabinet, In-wall devices