15" openframe SAW touch screen LCD monitor Both RS232 and USB interface FCC,CE,CCC,RoHS certificated Model No.KOT-0150US-SA4BW; ... Options: Thickness/Anti-glare/Tempered/water-proof)Touch System InterfaceHaving USB and RS232 interfaceTouch Response time10msAgency ApprovalETL,FCC,CE,RoHSRegular Warranty5 ...