Infrared IR Touch Screen with Bracket Type 1.Solid structure 2.IP65 sealing 3.Authentication: CE, RoHS ... standard: IP65 seal standards interface: RS232, USB2.0authentication: CE, RoHS operating system: Windows 98/2000 /2003/ xp/vista/win7, Linux, Mac ... .0(D)MM 40'' Infrared IR Touch Screen with Bracket Type